diff --git a/docs/ksml-language-spec.json b/docs/ksml-language-spec.json
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--- a/docs/ksml-language-spec.json
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@@ -1 +1 @@
-{"additionalProperties":false,"definitions":{"AggregateOperation":{"additionalProperties":false,"description":"An aggregate operation","properties":{"adder":{"anyOf":[{"type":"string"},{"$ref":"#/definitions/AggregatorDefinitionWithImplicitType"}],"description":"*(optional)* (GroupedTable) A function that adds a record to the aggregation result"},"aggregator":{"anyOf":[{"type":"string"},{"$ref":"#/definitions/AggregatorDefinitionWithImplicitType"}],"description":"*(optional)* (GroupedStream, SessionWindowedStream, TimeWindowedStream) The aggregator function, which combines a value with the previous aggregation result and outputs a new aggregation result"},"initializer":{"anyOf":[{"type":"string"},{"$ref":"#/definitions/InitializerDefinitionWithImplicitType"}],"description":"The initializer function, which generates an initial value for every set of aggregated records"},"merger":{"anyOf":[{"type":"string"},{"$ref":"#/definitions/MergerDefinitionWithImplicitType"}],"description":"*(optional)* (SessionWindowedStream, SessionWindowedCogroupedStream) A function that combines two aggregation results"},"name":{"description":"*(optional)* The name of the operation processor","type":"string"},"store":{"anyOf":[{"type":"string"},{"$ref":"#/definitions/WindowStateStoreDefinitionWithImplicitType"}],"description":"*(optional)* Materialized view of the result aggregation"},"subtractor":{"anyOf":[{"type":"string"},{"$ref":"#/definitions/AggregatorDefinitionWithImplicitType"}],"description":"*(optional)* (GroupedTable) A function that removes a record from the aggregation result"},"type":{"description":"The type of the operation","enum":["aggregate"]}},"required":["initializer","type"],"title":"AggregateOperation","type":"object"},"AggregatorDefinition":{"additionalProperties":false,"description":"Defines a aggregator function, that gets injected into the Kafka Streams topology","properties":{"code":{"anyOf":[{"type":"boolean"},{"type":"number"},{"type":"string"}],"description":"*(optional)* The (multiline) code of the aggregator"},"expression":{"anyOf":[{"type":"boolean"},{"type":"number"},{"type":"string"}],"description":"*(optional)* The expression returned by the aggregator. 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cogroup operation","properties":{"aggregator":{"anyOf":[{"type":"string"},{"$ref":"#/definitions/AggregatorDefinitionWithImplicitType"}],"description":"(GroupedStream, SessionWindowedStream, TimeWindowedStream) The aggregator function, which combines a value with the previous aggregation result and outputs a new aggregation result"},"name":{"description":"*(optional)* The name of the operation processor","type":"string"},"store":{"anyOf":[{"type":"string"},{"$ref":"#/definitions/WindowStateStoreDefinitionWithImplicitType"}],"description":"*(optional)* Materialized view of the co-grouped stream"},"type":{"description":"The type of the operation","enum":["cogroup"]}},"required":["aggregator","type"],"title":"CogroupOperation","type":"object"},"ConvertKeyOperation":{"additionalProperties":false,"description":"An operation to convert the stream key type to another type. 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Only required if the function wants to use a state store.","items":{"type":"string"},"type":"array"},"type":{"description":"The type of the function","enum":["generator"]}},"required":["type"],"title":"GeneratorDefinition","type":"object"},"GeneratorDefinitionWithImplicitType":{"additionalProperties":false,"description":"Defines a message generator function, that gets injected into the Kafka Streams topology","properties":{"code":{"anyOf":[{"type":"boolean"},{"type":"number"},{"type":"string"}],"description":"*(optional)* The (multiline) code of the message generator"},"expression":{"anyOf":[{"type":"boolean"},{"type":"number"},{"type":"string"}],"description":"*(optional)* The expression returned by the message generator. Only required for functions that return values."},"globalCode":{"anyOf":[{"type":"boolean"},{"type":"number"},{"type":"string"}],"description":"*(optional)* Global (multiline) code that gets loaded into the Python context outside of the message generator. 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Only required if the function wants to use a state store.","items":{"type":"string"},"type":"array"},"type":{"description":"The type of the function","enum":["valueTransformer"]}},"required":["type"],"title":"ValueTransformerDefinition","type":"object"},"ValueTransformerDefinitionWithImplicitType":{"additionalProperties":false,"description":"Defines a value transformer function, that gets injected into the Kafka Streams topology","properties":{"code":{"anyOf":[{"type":"boolean"},{"type":"number"},{"type":"string"}],"description":"*(optional)* The (multiline) code of the value transformer"},"expression":{"anyOf":[{"type":"boolean"},{"type":"number"},{"type":"string"}],"description":"*(optional)* The expression returned by the value transformer. Only required for functions that return values."},"globalCode":{"anyOf":[{"type":"boolean"},{"type":"number"},{"type":"string"}],"description":"*(optional)* Global (multiline) code that gets loaded into the Python context outside of the value transformer. Can be used for defining eg. global variables."},"name":{"description":"*(optional)* The name of the value transformer. If this field is not defined, then the name is derived from the context.","type":"string"},"parameters":{"description":"*(optional)* A list of parameters to be passed into the value transformer","items":{"$ref":"#/definitions/ParameterDefinition"},"type":"array"},"resultType":{"description":"*(optional)* The data type returned by the value transformer. Only required for function types, which are not pre-defined.","type":"string"},"stores":{"description":"*(optional)* A list of store names that the value transformer uses. Only required if the function wants to use a state store.","items":{"type":"string"},"type":"array"}},"title":"ValueTransformerDefinitionWithImplicitType","type":"object"},"WindowBySessionOperation":{"additionalProperties":false,"description":"Operation to window messages by session, configured by an inactivity gap","properties":{"grace":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"*(optional)* (Tumbling, Hopping) The grace period, during which out-of-order records can still be processed"},"inactivityGap":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"The inactivity gap, below which two messages are considered to be of the same session"},"name":{"description":"*(optional)* The name of the operation processor","type":"string"},"type":{"description":"The type of the operation","enum":["windowBySession"]}},"required":["inactivityGap","type"],"title":"WindowBySessionOperation","type":"object"},"WindowByTimeOperationWithHoppingWindow":{"additionalProperties":false,"description":"Operation to window records based on time criteria","properties":{"advanceBy":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"The amount of time to increase time windows by"},"duration":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"The duration of time windows"},"grace":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"*(optional)* The grace period, during which out-of-order records can still be processed"},"name":{"description":"*(optional)* The name of the operation processor","type":"string"},"type":{"description":"The type of the operation","enum":["windowByTime"]},"windowType":{"description":"The windowType of the time window","enum":["hopping"]}},"required":["duration","advanceBy","windowType","type"],"title":"WindowByTimeOperationWithHoppingWindow","type":"object"},"WindowByTimeOperationWithSlidingWindow":{"additionalProperties":false,"description":"Operation to window records based on time criteria","properties":{"grace":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"*(optional)* The grace period, during which out-of-order records can still be processed"},"name":{"description":"*(optional)* The name of the operation processor","type":"string"},"timeDifference":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"The maximum amount of time difference between two records"},"type":{"description":"The type of the operation","enum":["windowByTime"]},"windowType":{"description":"The windowType of the time window","enum":["sliding"]}},"required":["timeDifference","windowType","type"],"title":"WindowByTimeOperationWithSlidingWindow","type":"object"},"WindowByTimeOperationWithTumblingWindow":{"additionalProperties":false,"description":"Operation to window records based on time criteria","properties":{"duration":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"The duration of time windows"},"grace":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"*(optional)* The grace period, during which out-of-order records can still be processed"},"name":{"description":"*(optional)* The name of the operation processor","type":"string"},"type":{"description":"The type of the operation","enum":["windowByTime"]},"windowType":{"description":"The windowType of the time window","enum":["tumbling"]}},"required":["duration","windowType","type"],"title":"WindowByTimeOperationWithTumblingWindow","type":"object"},"WindowStateStoreDefinition":{"additionalProperties":false,"description":"Definition of a window state store","properties":{"caching":{"description":"*(optional)* \"true\" if changed to the window store need to be buffered and periodically released, \"false\" to emit all changes directly","type":"boolean"},"keyType":{"description":"*(optional)* The key type of the window store","type":"string"},"logging":{"description":"*(optional)* \"true\" if a changelog topic should be set up on Kafka for this window store, \"false\" otherwise","type":"boolean"},"name":{"description":"*(optional)* The name of the window store. If this field is not defined, then the name is derived from the context.","type":"string"},"persistent":{"description":"*(optional)* \"true\" if this window store needs to be stored on disk, \"false\" otherwise","type":"boolean"},"retainDuplicates":{"description":"*(optional)* Whether or not to retain duplicates","type":"boolean"},"retention":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"*(optional)* The duration for which elements in the window store are retained"},"timestamped":{"description":"*(optional)* \"true\" if elements in the store are timestamped, \"false\" otherwise","type":"boolean"},"type":{"description":"The type of the state store","enum":["window"]},"valueType":{"description":"*(optional)* The value type of the window store","type":"string"},"windowSize":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"*(optional)* Size of the windows (cannot be negative)"}},"required":["type"],"title":"WindowStateStoreDefinition","type":"object"},"WindowStateStoreDefinitionWithImplicitType":{"additionalProperties":false,"description":"Definition of a window state store","properties":{"caching":{"description":"*(optional)* \"true\" if changed to the window store need to be buffered and periodically released, \"false\" to emit all changes directly","type":"boolean"},"keyType":{"description":"*(optional)* The key type of the window store","type":"string"},"logging":{"description":"*(optional)* \"true\" if a changelog topic should be set up on Kafka for this window store, \"false\" otherwise","type":"boolean"},"name":{"description":"*(optional)* The name of the window store. If this field is not defined, then the name is derived from the context.","type":"string"},"persistent":{"description":"*(optional)* \"true\" if this window store needs to be stored on disk, \"false\" otherwise","type":"boolean"},"retainDuplicates":{"description":"*(optional)* Whether or not to retain duplicates","type":"boolean"},"retention":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"*(optional)* The duration for which elements in the window store are retained"},"timestamped":{"description":"*(optional)* \"true\" if elements in the store are timestamped, \"false\" otherwise","type":"boolean"},"type":{"description":"The type of the state store","enum":["window"]},"valueType":{"description":"*(optional)* The value type of the window store","type":"string"},"windowSize":{"anyOf":[{"type":"number"},{"type":"string"}],"description":"*(optional)* Size of the windows (cannot be negative)"}},"title":"WindowStateStoreDefinitionWithImplicitType","type":"object"}},"description":"KSML definition","properties":{"functions":{"description":"*(optional)* Functions that can be referenced in producers and pipelines","patternProperties":{"^[a-zA-Z0-9_]+$":{"anyOf":[{"$ref":"#/definitions/AggregatorDefinition"},{"$ref":"#/definitions/ForEachActionDefinition"},{"$ref":"#/definitions/ForeignKeyExtractorDefinition"},{"$ref":"#/definitions/GeneratorDefinition"},{"$ref":"#/definitions/GenericFunctionDefinitionWithImplicitType"},{"$ref":"#/definitions/InitializerDefinition"},{"$ref":"#/definitions/KeyTransformerDefinition"},{"$ref":"#/definitions/KeyValueMapperDefinition"},{"$ref":"#/definitions/KeyValuePrinterDefinition"},{"$ref":"#/definitions/KeyValueToKeyValueListTransformerDefinition"},{"$ref":"#/definitions/KeyValueToValueListTransformerDefinition"},{"$ref":"#/definitions/KeyValueTransformerDefinition"},{"$ref":"#/definitions/MergerDefinition"},{"$ref":"#/definitions/MetadataTransformerDefinition"},{"$ref":"#/definitions/PredicateDefinition"},{"$ref":"#/definitions/ReducerDefinition"},{"$ref":"#/definitions/StreamPartitionerDefinition"},{"$ref":"#/definitions/TimestampExtractorDefinition"},{"$ref":"#/definitions/TopicNameExtractorDefinition"},{"$ref":"#/definitions/ValueJoinerDefinition"},{"$ref":"#/definitions/ValueTransformerDefinition"}]}},"type":"object"},"globalTables":{"description":"*(optional)* GlobalTables that can be referenced in producers and pipelines","patternProperties":{"^[a-zA-Z0-9_]+$":{"$ref":"#/definitions/GlobalTableDefinitionSource"}},"type":"object"},"pipelines":{"description":"*(optional)* Collection of named pipelines","patternProperties":{"^[a-zA-Z0-9_]+$":{"$ref":"#/definitions/PipelineDefinition"}},"type":"object"},"producers":{"description":"*(optional)* Collection of named producers","patternProperties":{"^[a-zA-Z0-9_]+$":{"$ref":"#/definitions/ProducerDefinition"}},"type":"object"},"stores":{"description":"*(optional)* State stores that can be referenced in producers and pipelines","patternProperties":{"^[a-zA-Z0-9_]+$":{"anyOf":[{"$ref":"#/definitions/KeyValueStateStoreDefinition"},{"$ref":"#/definitions/SessionStateStoreDefinition"},{"$ref":"#/definitions/WindowStateStoreDefinition"}]}},"type":"object"},"streams":{"description":"*(optional)* Streams that can be referenced in producers and pipelines","patternProperties":{"^[a-zA-Z0-9_]+$":{"$ref":"#/definitions/StreamDefinitionSource"}},"type":"object"},"tables":{"description":"*(optional)* Tables that can be referenced in producers and pipelines","patternProperties":{"^[a-zA-Z0-9_]+$":{"$ref":"#/definitions/TableDefinitionSource"}},"type":"object"}},"title":"TopologyDefinition","type":"object"}
diff --git a/docs/ksml-language-spec.md b/docs/ksml-language-spec.md
index c5c9d935..4fa1d751 100644
--- a/docs/ksml-language-spec.md
+++ b/docs/ksml-language-spec.md
@@ -132,8 +132,6 @@
       - : Refer to *[#/definitions/PredicateDefinitionWithImplicitType](#definitions/PredicateDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
   - **`print`**: *(optional)* The specification of where to print messages to. Refer to *[#/definitions/PrintOperation](#definitions/PrintOperation)*.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`to`**: *(optional)* Ends the pipeline by sending all messages to a stream, table or globalTable, or to an inline defined output topic and optional partitioner.
     - **Any of**
       - *string*
@@ -165,9 +163,11 @@
         - : Refer to *[#/definitions/OuterJoinOperationWithStream](#definitions/OuterJoinOperationWithStream)*.
         - : Refer to *[#/definitions/OuterJoinOperationWithTable](#definitions/OuterJoinOperationWithTable)*.
         - : Refer to *[#/definitions/PeekOperation](#definitions/PeekOperation)*.
-        - : Refer to *[#/definitions/ReduceOperation](#definitions/ReduceOperation)*.
+        - : Refer to *[#/definitions/ReduceOperationWithAdderAndSubtractor](#definitions/ReduceOperationWithAdderAndSubtractor)*.
+        - : Refer to *[#/definitions/ReduceOperationWithReducer](#definitions/ReduceOperationWithReducer)*.
         - : Refer to *[#/definitions/RepartitionOperation](#definitions/RepartitionOperation)*.
-        - : Refer to *[#/definitions/SuppressOperation](#definitions/SuppressOperation)*.
+        - : Refer to *[#/definitions/SuppressOperationUntilTimeLimit](#definitions/SuppressOperationUntilTimeLimit)*.
+        - : Refer to *[#/definitions/SuppressOperationUntilWindowCloses](#definitions/SuppressOperationUntilWindowCloses)*.
         - : Refer to *[#/definitions/ToStreamOperation](#definitions/ToStreamOperation)*.
         - : Refer to *[#/definitions/ToTableOperation](#definitions/ToTableOperation)*.
         - : Refer to *[#/definitions/TransformKeyOperation](#definitions/TransformKeyOperation)*.
@@ -177,7 +177,9 @@
         - : Refer to *[#/definitions/TransformMetadataOperation](#definitions/TransformMetadataOperation)*.
         - : Refer to *[#/definitions/TransformValueOperation](#definitions/TransformValueOperation)*.
         - : Refer to *[#/definitions/WindowBySessionOperation](#definitions/WindowBySessionOperation)*.
-        - : Refer to *[#/definitions/WindowByTimeOperation](#definitions/WindowByTimeOperation)*.
+        - : Refer to *[#/definitions/WindowByTimeOperationWithHoppingWindow](#definitions/WindowByTimeOperationWithHoppingWindow)*.
+        - : Refer to *[#/definitions/WindowByTimeOperationWithSlidingWindow](#definitions/WindowByTimeOperationWithSlidingWindow)*.
+        - : Refer to *[#/definitions/WindowByTimeOperationWithTumblingWindow](#definitions/WindowByTimeOperationWithTumblingWindow)*.
 - <a id="definitions/CogroupOperation"></a>**`CogroupOperation`** *(object)*: A cogroup operation. Cannot contain additional properties.
   - **`aggregator`**: (GroupedStream, SessionWindowedStream, TimeWindowedStream) The aggregator function, which combines a value with the previous aggregation result and outputs a new aggregation result.
     - **Any of**
@@ -220,8 +222,6 @@
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/KeyValueStateStoreDefinitionWithImplicitType](#definitions/KeyValueStateStoreDefinitionWithImplicitType)*.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["filterNot"]`.
 - <a id="definitions/FilterOperation"></a>**`FilterOperation`** *(object)*: Filter records based on a predicate function. Cannot contain additional properties.
   - **`if`**: A function that returns "true" when records are accepted, "false" otherwise.
@@ -233,8 +233,6 @@
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/KeyValueStateStoreDefinitionWithImplicitType](#definitions/KeyValueStateStoreDefinitionWithImplicitType)*.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["filter"]`.
 - <a id="definitions/ForEachActionDefinition"></a>**`ForEachActionDefinition`** *(object)*: Defines a foreach action function, that gets injected into the Kafka Streams topology. Cannot contain additional properties.
   - **`code`**: *(optional)* The (multiline) code of the foreach action.
@@ -461,17 +459,11 @@
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/GlobalTableDefinition](#definitions/GlobalTableDefinition)*.
-  - **`mapper`**: A function that maps the key value from the stream with the primary key of the globalTable.
+  - **`mapper`**: A function that maps the key value from the stream to the primary key type of the globalTable.
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/ValueJoinerDefinitionWithImplicitType](#definitions/ValueJoinerDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`store`**: *(optional)* Materialized view of the joined streams.
-    - **Any of**
-      - *string*
-      - : Refer to *[#/definitions/KeyValueStateStoreDefinition](#definitions/KeyValueStateStoreDefinition)*.
-      - : Refer to *[#/definitions/SessionStateStoreDefinition](#definitions/SessionStateStoreDefinition)*.
-      - : Refer to *[#/definitions/WindowStateStoreDefinition](#definitions/WindowStateStoreDefinition)*.
   - **`type`**: The type of the operation. Must be one of: `["join"]`.
   - **`valueJoiner`**: A function that joins two values.
     - **Any of**
@@ -851,12 +843,6 @@
       - *string*
       - : Refer to *[#/definitions/ValueJoinerDefinitionWithImplicitType](#definitions/ValueJoinerDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`store`**: *(optional)* Materialized view of the leftJoined streams.
-    - **Any of**
-      - *string*
-      - : Refer to *[#/definitions/KeyValueStateStoreDefinition](#definitions/KeyValueStateStoreDefinition)*.
-      - : Refer to *[#/definitions/SessionStateStoreDefinition](#definitions/SessionStateStoreDefinition)*.
-      - : Refer to *[#/definitions/WindowStateStoreDefinition](#definitions/WindowStateStoreDefinition)*.
   - **`type`**: The type of the operation. Must be one of: `["leftJoin"]`.
   - **`valueJoiner`**: A function that joins two values.
     - **Any of**
@@ -1069,8 +1055,6 @@
       - *string*
       - : Refer to *[#/definitions/ForEachActionDefinitionWithImplicitType](#definitions/ForEachActionDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["peek"]`.
 - <a id="definitions/PipelineDefinition"></a>**`PipelineDefinition`** *(object)*: Defines a pipeline through a source, a series of operations to perform on it and a sink operation to close the stream with. Cannot contain additional properties.
   - **`as`** *(string)*: *(optional)* The name to register the pipeline result under, which can be used as source by follow-up pipelines.
@@ -1086,8 +1070,6 @@
       - : Refer to *[#/definitions/TopicDefinitionSource](#definitions/TopicDefinitionSource)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
   - **`print`**: *(optional)* The specification of where to print messages to. Refer to *[#/definitions/PrintOperation](#definitions/PrintOperation)*.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`to`**: *(optional)* Ends the pipeline by sending all messages to a stream, table or globalTable, or to an inline defined output topic and optional partitioner.
     - **Any of**
       - *string*
@@ -1119,9 +1101,11 @@
         - : Refer to *[#/definitions/OuterJoinOperationWithStream](#definitions/OuterJoinOperationWithStream)*.
         - : Refer to *[#/definitions/OuterJoinOperationWithTable](#definitions/OuterJoinOperationWithTable)*.
         - : Refer to *[#/definitions/PeekOperation](#definitions/PeekOperation)*.
-        - : Refer to *[#/definitions/ReduceOperation](#definitions/ReduceOperation)*.
+        - : Refer to *[#/definitions/ReduceOperationWithAdderAndSubtractor](#definitions/ReduceOperationWithAdderAndSubtractor)*.
+        - : Refer to *[#/definitions/ReduceOperationWithReducer](#definitions/ReduceOperationWithReducer)*.
         - : Refer to *[#/definitions/RepartitionOperation](#definitions/RepartitionOperation)*.
-        - : Refer to *[#/definitions/SuppressOperation](#definitions/SuppressOperation)*.
+        - : Refer to *[#/definitions/SuppressOperationUntilTimeLimit](#definitions/SuppressOperationUntilTimeLimit)*.
+        - : Refer to *[#/definitions/SuppressOperationUntilWindowCloses](#definitions/SuppressOperationUntilWindowCloses)*.
         - : Refer to *[#/definitions/ToStreamOperation](#definitions/ToStreamOperation)*.
         - : Refer to *[#/definitions/ToTableOperation](#definitions/ToTableOperation)*.
         - : Refer to *[#/definitions/TransformKeyOperation](#definitions/TransformKeyOperation)*.
@@ -1131,7 +1115,9 @@
         - : Refer to *[#/definitions/TransformMetadataOperation](#definitions/TransformMetadataOperation)*.
         - : Refer to *[#/definitions/TransformValueOperation](#definitions/TransformValueOperation)*.
         - : Refer to *[#/definitions/WindowBySessionOperation](#definitions/WindowBySessionOperation)*.
-        - : Refer to *[#/definitions/WindowByTimeOperation](#definitions/WindowByTimeOperation)*.
+        - : Refer to *[#/definitions/WindowByTimeOperationWithHoppingWindow](#definitions/WindowByTimeOperationWithHoppingWindow)*.
+        - : Refer to *[#/definitions/WindowByTimeOperationWithSlidingWindow](#definitions/WindowByTimeOperationWithSlidingWindow)*.
+        - : Refer to *[#/definitions/WindowByTimeOperationWithTumblingWindow](#definitions/WindowByTimeOperationWithTumblingWindow)*.
 - <a id="definitions/PredicateDefinition"></a>**`PredicateDefinition`** *(object)*: Defines a Function that returns true or false based on key/value input function, that gets injected into the Kafka Streams topology. Cannot contain additional properties.
   - **`code`**: *(optional)* The (multiline) code of the Function that returns true or false based on key/value input.
     - **Any of**
@@ -1207,16 +1193,12 @@
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/PredicateDefinitionWithImplicitType](#definitions/PredicateDefinitionWithImplicitType)*.
-- <a id="definitions/ReduceOperation"></a>**`ReduceOperation`** *(object)*: Operation to reduce a series of records into a single aggregate result. Cannot contain additional properties.
+- <a id="definitions/ReduceOperationWithAdderAndSubtractor"></a>**`ReduceOperationWithAdderAndSubtractor`** *(object)*: Operation to reduce a series of records into a single aggregate result. Cannot contain additional properties.
   - **`adder`**: A function that adds a record to the aggregate result.
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/ReducerDefinitionWithImplicitType](#definitions/ReducerDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`reducer`**: A function that computes a new aggregate result.
-    - **Any of**
-      - *string*
-      - : Refer to *[#/definitions/ReducerDefinitionWithImplicitType](#definitions/ReducerDefinitionWithImplicitType)*.
   - **`store`**: *(optional)* Materialized view of the aggregation.
     - **Any of**
       - *string*
@@ -1226,6 +1208,17 @@
       - *string*
       - : Refer to *[#/definitions/ReducerDefinitionWithImplicitType](#definitions/ReducerDefinitionWithImplicitType)*.
   - **`type`**: The type of the operation. Must be one of: `["reduce"]`.
+- <a id="definitions/ReduceOperationWithReducer"></a>**`ReduceOperationWithReducer`** *(object)*: Operation to reduce a series of records into a single aggregate result. Cannot contain additional properties.
+  - **`name`** *(string)*: *(optional)* The name of the operation processor.
+  - **`reducer`**: A function that computes a new aggregate result.
+    - **Any of**
+      - *string*
+      - : Refer to *[#/definitions/ReducerDefinitionWithImplicitType](#definitions/ReducerDefinitionWithImplicitType)*.
+  - **`store`**: *(optional)* Materialized view of the aggregation.
+    - **Any of**
+      - *string*
+      - : Refer to *[#/definitions/WindowStateStoreDefinitionWithImplicitType](#definitions/WindowStateStoreDefinitionWithImplicitType)*.
+  - **`type`**: The type of the operation. Must be one of: `["reduce"]`.
 - <a id="definitions/ReducerDefinition"></a>**`ReducerDefinition`** *(object)*: Defines a reducer function, that gets injected into the Kafka Streams topology. Cannot contain additional properties.
   - **`code`**: *(optional)* The (multiline) code of the reducer.
     - **Any of**
@@ -1273,7 +1266,8 @@
     - **Items** *(string)*
 - <a id="definitions/RepartitionOperation"></a>**`RepartitionOperation`** *(object)*: Operation to (re)partition a stream. Cannot contain additional properties.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`partitioner`**: A function that partitions stream records.
+  - **`numberOfPartitions`**: *(optional)* The target number of partitions.
+  - **`partitioner`**: *(optional)* A function that partitions stream records.
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/StreamPartitionerDefinitionWithImplicitType](#definitions/StreamPartitionerDefinitionWithImplicitType)*.
@@ -1354,8 +1348,8 @@
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/PredicateDefinitionWithImplicitType](#definitions/PredicateDefinitionWithImplicitType)*.
-- <a id="definitions/SuppressOperation"></a>**`SuppressOperation`** *(object)*: Operation to suppress messages in the source stream until a certain limit is reached. Cannot contain additional properties.
-  - **`bufferFullStrategy`** *(string)*: *(optional)* What to do when the buffer is full, either "emitEarlyWhenFull", or "shutdownWhenFull".
+- <a id="definitions/SuppressOperationUntilTimeLimit"></a>**`SuppressOperationUntilTimeLimit`** *(object)*: Operation to suppress messages in the source stream until a time limit is reached. Cannot contain additional properties.
+  - **`bufferFullStrategy`**: *(optional)* What to do when the buffer is full. Must be one of: `["emitEarlyWhenFull", "shutdownWhenFull"]`.
   - **`duration`**: The duration for which messages are suppressed.
     - **Any of**
       - *number*
@@ -1364,7 +1358,14 @@
   - **`maxRecords`** *(string)*: *(optional)* The maximum number of records in the buffer.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
   - **`type`**: The type of the operation. Must be one of: `["suppress"]`.
-  - **`until`** *(string, required)*: The method by which messages are held, either "timeLimit", or "windowCloses".
+  - **`until`**: The until of the Operation to suppress messages in the source stream until a certain limit is reached. Must be one of: `["timeLimit"]`.
+- <a id="definitions/SuppressOperationUntilWindowCloses"></a>**`SuppressOperationUntilWindowCloses`** *(object)*: Operation to suppress messages in the source stream until a window limit is reached. Cannot contain additional properties.
+  - **`bufferFullStrategy`**: *(optional)* What to do when the buffer is full. Must be one of: `["emitEarlyWhenFull", "shutdownWhenFull"]`.
+  - **`maxBytes`** *(string)*: *(optional)* The maximum number of bytes in the buffer.
+  - **`maxRecords`** *(string)*: *(optional)* The maximum number of records in the buffer.
+  - **`name`** *(string)*: *(optional)* The name of the operation processor.
+  - **`type`**: The type of the operation. Must be one of: `["suppress"]`.
+  - **`until`**: The until of the Operation to suppress messages in the source stream until a certain limit is reached. Must be one of: `["windowCloses"]`.
 - <a id="definitions/TableDefinition"></a>**`TableDefinition`** *(object)*: Contains a definition of a Table, which can be referenced by producers and pipelines. Cannot contain additional properties.
   - **`keyType`** *(string)*: *(optional)* The key type of the table.
   - **`store`**: *(optional)* KeyValue state store definition.
@@ -1526,8 +1527,6 @@
       - *string*
       - : Refer to *[#/definitions/KeyTransformerDefinitionWithImplicitType](#definitions/KeyTransformerDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["transformKey", "mapKey", "selectKey"]`.
 - <a id="definitions/TransformKeyValueOperation"></a>**`TransformKeyValueOperation`** *(object)*: Convert the key/value of every record in the stream to another key/value. Cannot contain additional properties.
   - **`mapper`**: A function that computes a new key/value for each record.
@@ -1535,8 +1534,6 @@
       - *string*
       - : Refer to *[#/definitions/KeyValueTransformerDefinitionWithImplicitType](#definitions/KeyValueTransformerDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["mapKeyValue", "map", "transformKeyValue"]`.
 - <a id="definitions/TransformKeyValueToKeyValueListOperation"></a>**`TransformKeyValueToKeyValueListOperation`** *(object)*: Convert a stream by transforming every record into a list of derived records. Cannot contain additional properties.
   - **`mapper`**: A function that converts every record of a stream to a list of output records.
@@ -1544,8 +1541,6 @@
       - *string*
       - : Refer to *[#/definitions/KeyValueToKeyValueListTransformerDefinitionWithImplicitType](#definitions/KeyValueToKeyValueListTransformerDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["transformKeyValueToKeyValueList", "flatMap"]`.
 - <a id="definitions/TransformKeyValueToValueListOperation"></a>**`TransformKeyValueToValueListOperation`** *(object)*: Convert every record in the stream to a list of output records with the same key. Cannot contain additional properties.
   - **`mapper`**: A function that converts every key/value into a list of result values, each of which will be combined with the original key to form a new message in the output stream.
@@ -1553,8 +1548,6 @@
       - *string*
       - : Refer to *[#/definitions/KeyValueToValueListTransformerDefinitionWithImplicitType](#definitions/KeyValueToValueListTransformerDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["transformKeyValueToValueList", "flatMapValues"]`.
 - <a id="definitions/TransformMetadataOperation"></a>**`TransformMetadataOperation`** *(object)*: Convert the metadata of every record in the stream. Cannot contain additional properties.
   - **`mapper`**: A function that converts the metadata (Kafka headers, timestamp) of every record in the stream.
@@ -1562,8 +1555,6 @@
       - *string*
       - : Refer to *[#/definitions/MetadataTransformerDefinitionWithImplicitType](#definitions/MetadataTransformerDefinitionWithImplicitType)*.
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["transformMetadata"]`.
 - <a id="definitions/TransformValueOperation"></a>**`TransformValueOperation`** *(object)*: Convert the value of every record in the stream to another value. Cannot contain additional properties.
   - **`mapper`**: A function that converts the value of every record into another value.
@@ -1575,8 +1566,6 @@
     - **Any of**
       - *string*
       - : Refer to *[#/definitions/KeyValueStateStoreDefinitionWithImplicitType](#definitions/KeyValueStateStoreDefinitionWithImplicitType)*.
-  - **`stores`** *(array)*: *(optional)* The names of all state stores used by the function.
-    - **Items** *(string)*
   - **`type`**: The type of the operation. Must be one of: `["mapValue", "transformValue", "mapValues"]`.
 - <a id="definitions/ValueJoinerDefinition"></a>**`ValueJoinerDefinition`** *(object)*: Defines a value joiner function, that gets injected into the Kafka Streams topology. Cannot contain additional properties.
   - **`code`**: *(optional)* The (multiline) code of the value joiner.
@@ -1679,26 +1668,46 @@
       - *string*
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
   - **`type`**: The type of the operation. Must be one of: `["windowBySession"]`.
-- <a id="definitions/WindowByTimeOperation"></a>**`WindowByTimeOperation`** *(object)*: Operation to reduce a series of records into a single aggregate result. Cannot contain additional properties.
-  - **`advanceBy`**: *(optional)* (Hopping) The amount of time to increase time windows by.
+- <a id="definitions/WindowByTimeOperationWithHoppingWindow"></a>**`WindowByTimeOperationWithHoppingWindow`** *(object)*: Operation to window records based on time criteria. Cannot contain additional properties.
+  - **`advanceBy`**: The amount of time to increase time windows by.
     - **Any of**
       - *number*
       - *string*
-  - **`duration`**: *(optional)* (Tumbling) The duration of time windows.
+  - **`duration`**: The duration of time windows.
     - **Any of**
       - *number*
       - *string*
-  - **`grace`**: *(optional)* (Tumbling, Hopping, Sliding) The grace period, during which out-of-order records can still be processed.
+  - **`grace`**: *(optional)* The grace period, during which out-of-order records can still be processed.
     - **Any of**
       - *number*
       - *string*
   - **`name`** *(string)*: *(optional)* The name of the operation processor.
-  - **`timeDifference`**: *(optional)* (Sliding) The maximum amount of time difference between two records.
+  - **`type`**: The type of the operation. Must be one of: `["windowByTime"]`.
+  - **`windowType`**: The windowType of the time window. Must be one of: `["hopping"]`.
+- <a id="definitions/WindowByTimeOperationWithSlidingWindow"></a>**`WindowByTimeOperationWithSlidingWindow`** *(object)*: Operation to window records based on time criteria. Cannot contain additional properties.
+  - **`grace`**: *(optional)* The grace period, during which out-of-order records can still be processed.
     - **Any of**
       - *number*
       - *string*
+  - **`name`** *(string)*: *(optional)* The name of the operation processor.
+  - **`timeDifference`**: The maximum amount of time difference between two records.
+    - **Any of**
+      - *number*
+      - *string*
+  - **`type`**: The type of the operation. Must be one of: `["windowByTime"]`.
+  - **`windowType`**: The windowType of the time window. Must be one of: `["sliding"]`.
+- <a id="definitions/WindowByTimeOperationWithTumblingWindow"></a>**`WindowByTimeOperationWithTumblingWindow`** *(object)*: Operation to window records based on time criteria. Cannot contain additional properties.
+  - **`duration`**: The duration of time windows.
+    - **Any of**
+      - *number*
+      - *string*
+  - **`grace`**: *(optional)* The grace period, during which out-of-order records can still be processed.
+    - **Any of**
+      - *number*
+      - *string*
+  - **`name`** *(string)*: *(optional)* The name of the operation processor.
   - **`type`**: The type of the operation. Must be one of: `["windowByTime"]`.
-  - **`windowType`** *(string, required)*: The type of the operation, either "tumbling", or "hopping", or "sliding".
+  - **`windowType`**: The windowType of the time window. Must be one of: `["tumbling"]`.
 - <a id="definitions/WindowStateStoreDefinition"></a>**`WindowStateStoreDefinition`** *(object)*: Definition of a window state store. Cannot contain additional properties.
   - **`caching`** *(boolean)*: *(optional)* "true" if changed to the window store need to be buffered and periodically released, "false" to emit all changes directly.
   - **`keyType`** *(string)*: *(optional)* The key type of the window store.
diff --git a/docs/operations.md b/docs/operations.md
index 340936b0..b2366a8d 100644
--- a/docs/operations.md
+++ b/docs/operations.md
@@ -277,6 +277,7 @@ the predicate returns `true`, then the message will be sent to the output stream
 | Stream Type      | Returns          | Parameter | Value Type | Required            | Description                                                                                         |
 |:-----------------|:-----------------|:----------|:-----------|:--------------------|:----------------------------------------------------------------------------------------------------|
 | [KStream]`<K,V>` | [KStream]`<K,V>` | `if`      | Yes        | Inline or reference | A [Predicate] function, which returns `True` if the message can pass the filter, `False` otherwise. |
+|                  |                  |           |            |                     |                                                                                                     |
 | [KTable]`<K,V>`  | [KTable]`<K,V>`  | `if`      | Yes        | Inline or reference | A [Predicate] function, which returns `True` if the message can pass the filter, `False` otherwise. |
 
 Example:
diff --git a/ksml/NOTICE.txt b/ksml/NOTICE.txt
index f9b500c5..b7675010 100644
--- a/ksml/NOTICE.txt
+++ b/ksml/NOTICE.txt
@@ -1,5 +1,5 @@
 
-Lists of 71 third-party dependencies.
+Lists of 72 third-party dependencies.
      (MIT License) minimal-json (com.eclipsesource.minimal-json:minimal-json:0.9.5 - https://github.com/ralfstx/minimal-json)
      (The Apache Software License, Version 2.0) Jackson-annotations (com.fasterxml.jackson.core:jackson-annotations:2.17.1 - https://github.com/FasterXML/jackson)
      (The Apache Software License, Version 2.0) Jackson-core (com.fasterxml.jackson.core:jackson-core:2.17.1 - https://github.com/FasterXML/jackson-core)
@@ -34,6 +34,7 @@ Lists of 71 third-party dependencies.
      (Apache License 2.0) Metrics Integration with JMX (io.dropwizard.metrics:metrics-jmx:4.2.25 - https://metrics.dropwizard.io/metrics-jmx)
      (Apache License 2.0) swagger-annotations (io.swagger.core.v3:swagger-annotations:2.1.10 - https://github.com/swagger-api/swagger-core/modules/swagger-annotations)
      (EDL 1.0) Jakarta Activation API (jakarta.activation:jakarta.activation-api:2.1.3 - https://github.com/jakartaee/jaf-api)
+     (Apache License 2.0) Jakarta Bean Validation API (jakarta.validation:jakarta.validation-api:3.0.2 - https://beanvalidation.org)
      (Eclipse Distribution License - v 1.0) Jakarta SOAP with Attachments API (jakarta.xml.soap:jakarta.xml.soap-api:3.0.2 - https://github.com/jakartaee/saaj-api)
      (Apache-2.0) Apache Avro (org.apache.avro:avro:1.11.3 - https://avro.apache.org)
      (Apache-2.0) Apache Commons Compress (org.apache.commons:commons-compress:1.26.2 - https://commons.apache.org/proper/commons-compress/)
diff --git a/ksml/src/main/java/io/axual/ksml/definition/parser/PipelineDefinitionParser.java b/ksml/src/main/java/io/axual/ksml/definition/parser/PipelineDefinitionParser.java
index 2948a4a3..e3518df9 100644
--- a/ksml/src/main/java/io/axual/ksml/definition/parser/PipelineDefinitionParser.java
+++ b/ksml/src/main/java/io/axual/ksml/definition/parser/PipelineDefinitionParser.java
@@ -90,7 +90,7 @@ public StructsParser<PipelineDefinition> parser() {
                     // If no sink operation was specified, then we create an AS operation here with the name provided.
                     // This means that pipeline results can be referred to by other pipelines using the pipeline's name
                     // as identifier.
-                    var sinkOperation = shortName != null ? new AsOperation(new OperationConfig(resources().getUniqueOperationName(longName), tags, null), shortName) : null;
+                    var sinkOperation = shortName != null ? new AsOperation(new OperationConfig(resources().getUniqueOperationName(longName), tags), shortName) : null;
                     return new PipelineDefinition(name, from, via, sinkOperation);
                 });
     }
diff --git a/ksml/src/main/java/io/axual/ksml/dsl/KSMLDSL.java b/ksml/src/main/java/io/axual/ksml/dsl/KSMLDSL.java
index 8837bb7d..596e3ecb 100644
--- a/ksml/src/main/java/io/axual/ksml/dsl/KSMLDSL.java
+++ b/ksml/src/main/java/io/axual/ksml/dsl/KSMLDSL.java
@@ -86,7 +86,6 @@ public static class Operations {
         public static final String NAME_ATTRIBUTE = "name";
         public static final String TYPE_ATTRIBUTE = "type";
         public static final String STORE_ATTRIBUTE = "store";
-        public static final String STORE_NAMES_ATTRIBUTE = "stores";
 
         public static final String AGGREGATE = "aggregate";
         public static final String COGROUP = "cogroup";
diff --git a/ksml/src/main/java/io/axual/ksml/operation/BaseOperation.java b/ksml/src/main/java/io/axual/ksml/operation/BaseOperation.java
index 7c3a61ac..2a676879 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/BaseOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/BaseOperation.java
@@ -67,7 +67,6 @@ public static String validateNameAndReturnError(String name) {
 
     protected final String name;
     protected final ContextTags tags;
-    protected final String[] storeNames;
 
     public BaseOperation(OperationConfig config) {
         var error = NameValidator.validateNameAndReturnError(config.name());
@@ -78,7 +77,6 @@ public BaseOperation(OperationConfig config) {
             name = config.name();
         }
         tags = config.tags().append("operation-name", name);
-        storeNames = config.storeNames() != null ? config.storeNames() : new String[0];
     }
 
     @Override
@@ -287,14 +285,6 @@ protected void checkTuple(String faultDescription, DataType type, DataType... el
         }
     }
 
-    protected String[] combineStoreNames(String[]... storeNameArrays) {
-        final var storeNames = new TreeSet<String>();
-        for (String[] storeNameArray : storeNameArrays) {
-            if (storeNameArray != null) Collections.addAll(storeNames, storeNameArray);
-        }
-        return storeNames.toArray(TEMPLATE);
-    }
-
     protected StreamDataType streamDataTypeOf(DataType dataType, boolean isKey) {
         return streamDataTypeOf(new UserType(dataType), isKey);
     }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/FilterNotOperation.java b/ksml/src/main/java/io/axual/ksml/operation/FilterNotOperation.java
index 4372317f..cf6277e4 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/FilterNotOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/FilterNotOperation.java
@@ -54,7 +54,7 @@ public StreamWrapper apply(KStreamWrapper input, TopologyBuildContext context) {
         final var v = input.valueType();
         final var pred = userFunctionOf(context, PREDICATE_NAME, predicate, new UserType(DataBoolean.DATATYPE), superOf(k), superOf(v));
         final var userPred = new UserPredicate(pred, tags);
-        final var storeNames = combineStoreNames(this.storeNames, predicate.storeNames().toArray(TEMPLATE));
+        final var storeNames = predicate.storeNames().toArray(String[]::new);
         final var supplier = new FixedKeyOperationProcessorSupplier<>(
                 name,
                 FilterNotProcessor::new,
diff --git a/ksml/src/main/java/io/axual/ksml/operation/FilterOperation.java b/ksml/src/main/java/io/axual/ksml/operation/FilterOperation.java
index fa78b4bd..a450b10e 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/FilterOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/FilterOperation.java
@@ -54,7 +54,7 @@ public StreamWrapper apply(KStreamWrapper input, TopologyBuildContext context) {
         final var v = input.valueType();
         final var pred = userFunctionOf(context, PREDICATE_NAME, predicate, new UserType(DataBoolean.DATATYPE), superOf(k), superOf(v));
         final var userPred = new UserPredicate(pred, tags);
-        final var storeNames = combineStoreNames(this.storeNames, predicate.storeNames().toArray(TEMPLATE));
+        final var storeNames = predicate.storeNames().toArray(String[]::new);
         final var supplier = new FixedKeyOperationProcessorSupplier<>(
                 name,
                 FilterProcessor::new,
diff --git a/ksml/src/main/java/io/axual/ksml/operation/OperationConfig.java b/ksml/src/main/java/io/axual/ksml/operation/OperationConfig.java
index 1525a529..399e313a 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/OperationConfig.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/OperationConfig.java
@@ -29,14 +29,10 @@
 public class OperationConfig {
     private final String name;
     private final ContextTags tags;
-    private final boolean allowStores;
-    private final String[] storeNames;
 
-    public OperationConfig(String name, ContextTags tags, String[] storeNames) {
+    public OperationConfig(String name, ContextTags tags) {
         this.name = name;
         this.tags = tags;
         log.debug("Generated operation name: {}", this.name);
-        this.allowStores = storeNames != null;
-        this.storeNames = storeNames;
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/PeekOperation.java b/ksml/src/main/java/io/axual/ksml/operation/PeekOperation.java
index 2d12dd09..20bfe34d 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/PeekOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/PeekOperation.java
@@ -46,7 +46,7 @@ public StreamWrapper apply(KStreamWrapper input, TopologyBuildContext context) {
         final var v = input.valueType();
         final var action = userFunctionOf(context, FOREACHACTION_NAME, forEachAction, equalTo(DataNull.DATATYPE), superOf(k), superOf(v));
         final var userAction = new UserForeachAction(action, tags);
-        final var storeNames = combineStoreNames(this.storeNames, forEachAction.storeNames().toArray(TEMPLATE));
+        final var storeNames = forEachAction.storeNames().toArray(String[]::new);
         final var supplier = new FixedKeyOperationProcessorSupplier<>(
                 name,
                 PeekProcessor::new,
diff --git a/ksml/src/main/java/io/axual/ksml/operation/StoreOperationConfig.java b/ksml/src/main/java/io/axual/ksml/operation/StoreOperationConfig.java
index 46cbd182..7015b254 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/StoreOperationConfig.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/StoreOperationConfig.java
@@ -28,8 +28,8 @@
 public class StoreOperationConfig extends OperationConfig {
     public final StateStoreDefinition store;
 
-    public StoreOperationConfig(String name, ContextTags context, StateStoreDefinition store, List<String> storeNames) {
-        super(name, context, storeNames != null ? storeNames.toArray(new String[]{}) : null);
+    public StoreOperationConfig(String name, ContextTags context, StateStoreDefinition store) {
+        super(name, context);
         this.store = store;
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/TransformKeyOperation.java b/ksml/src/main/java/io/axual/ksml/operation/TransformKeyOperation.java
index bd2547aa..ff719721 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/TransformKeyOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/TransformKeyOperation.java
@@ -53,7 +53,7 @@ public StreamWrapper apply(KStreamWrapper input, TopologyBuildContext context) {
         final var kr = streamDataTypeOf(firstSpecificType(mapper, k), true);
         final var map = userFunctionOf(context, MAPPER_NAME, mapper, kr, superOf(k), superOf(v));
         final var userMap = new UserKeyTransformer(map, tags);
-        final var storeNames = combineStoreNames(this.storeNames, mapper.storeNames().toArray(TEMPLATE));
+        final var storeNames = mapper.storeNames().toArray(String[]::new);
         final var supplier = new OperationProcessorSupplier<>(
                 name,
                 TransformKeyProcessor::new,
diff --git a/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueOperation.java b/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueOperation.java
index 78b7769e..0c506fc6 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueOperation.java
@@ -62,7 +62,7 @@ public BaseStreamWrapper apply(KStreamWrapper input, TopologyBuildContext contex
             final var kr = streamDataTypeOf(userTupleType.getUserType(0), true);
             final var vr = streamDataTypeOf(userTupleType.getUserType(1), false);
             final var userMap = new UserKeyValueTransformer(map, tags);
-            final var storeNames = combineStoreNames(this.storeNames, mapper.storeNames().toArray(TEMPLATE));
+            final var storeNames = mapper.storeNames().toArray(String[]::new);
             final var supplier = new OperationProcessorSupplier<>(
                     name,
                     TransformKeyValueProcessor::new,
diff --git a/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueToKeyValueListOperation.java b/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueToKeyValueListOperation.java
index 548bdc02..dd48afad 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueToKeyValueListOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueToKeyValueListOperation.java
@@ -64,7 +64,7 @@ public StreamWrapper apply(KStreamWrapper input, TopologyBuildContext context) {
             final var kr = streamDataTypeOf(mapperResultListTupleValueType.getUserType(0), true);
             final var vr = streamDataTypeOf(mapperResultListTupleValueType.getUserType(1), false);
             final var userMap = new UserKeyValueToKeyValueListTransformer(map, tags);
-            final var storeNames = combineStoreNames(this.storeNames, mapper.storeNames().toArray(TEMPLATE));
+            final var storeNames = mapper.storeNames().toArray(String[]::new);
             final var supplier = new OperationProcessorSupplier<>(
                     name,
                     TransformKeyValueToKeyValueListProcessor::new,
diff --git a/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueToValueListOperation.java b/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueToValueListOperation.java
index 16256b93..defd083a 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueToValueListOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/TransformKeyValueToValueListOperation.java
@@ -55,7 +55,7 @@ public StreamWrapper apply(KStreamWrapper input, TopologyBuildContext context) {
         final var vr = streamDataTypeOf(firstSpecificType(mapper, new UserType(new ListType(DataType.UNKNOWN))), false);
         final var map = userFunctionOf(context, MAPPER_NAME, mapper, subOf(vr), superOf(k), superOf(v));
         final var userMap = new UserKeyValueToValueListTransformer(map, tags);
-        final var storeNames = combineStoreNames(this.storeNames, mapper.storeNames().toArray(TEMPLATE));
+        final var storeNames = mapper.storeNames().toArray(String[]::new);
         final var supplier = new FixedKeyOperationProcessorSupplier<>(
                 name,
                 TransformKeyValueToValueListProcessor::new,
diff --git a/ksml/src/main/java/io/axual/ksml/operation/TransformMetadataOperation.java b/ksml/src/main/java/io/axual/ksml/operation/TransformMetadataOperation.java
index 8f766978..7b057ac6 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/TransformMetadataOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/TransformMetadataOperation.java
@@ -54,7 +54,7 @@ public StreamWrapper apply(KStreamWrapper input, TopologyBuildContext context) {
         final var meta = new UserType(RecordMetadata.DATATYPE);
         final var map = userFunctionOf(context, MAPPER_NAME, mapper, subOf(meta), superOf(k), superOf(v), superOf(meta));
         final var userMap = new UserMetadataTransformer(map, tags);
-        final var storeNames = combineStoreNames(this.storeNames, mapper.storeNames().toArray(TEMPLATE));
+        final var storeNames = mapper.storeNames().toArray(String[]::new);
         final var supplier = new FixedKeyOperationProcessorSupplier<>(
                 name,
                 TransformMetadataProcessor::new,
diff --git a/ksml/src/main/java/io/axual/ksml/operation/TransformValueOperation.java b/ksml/src/main/java/io/axual/ksml/operation/TransformValueOperation.java
index 73c55aab..0bdea0d8 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/TransformValueOperation.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/TransformValueOperation.java
@@ -57,7 +57,7 @@ public StreamWrapper apply(KStreamWrapper input, TopologyBuildContext context) {
         final var vr = streamDataTypeOf(firstSpecificType(mapper, v.userType()), false);
         final var map = userFunctionOf(context, MAPPER_NAME, mapper, vr, superOf(k), superOf(v));
         final var userMap = new UserValueTransformer(map, tags);
-        final var storeNames = combineStoreNames(this.storeNames, mapper.storeNames().toArray(TEMPLATE));
+        final var storeNames = mapper.storeNames().toArray(String[]::new);
         final var supplier = new FixedKeyOperationProcessorSupplier<>(
                 name,
                 TransformValueProcessor::new,
@@ -89,6 +89,7 @@ public StreamWrapper apply(KTableWrapper input, TopologyBuildContext context) {
         final ValueTransformerWithKeySupplier<Object, Object, DataObject> supplier = () -> userMap;
         final var named = namedOf();
         final var mat = materializedOf(context, kvStore);
+        final var storeNames = mapper.storeNames().toArray(String[]::new);
         final KTable<Object, Object> output = named != null
                 ? mat != null
                 ? input.table.transformValues(supplier, mat, named, storeNames)
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/FilterNotOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/FilterNotOperationParser.java
index 63262994..01712eec 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/FilterNotOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/FilterNotOperationParser.java
@@ -42,10 +42,9 @@ public StructsParser<FilterNotOperation> parser() {
                 operationNameField(),
                 functionField(KSMLDSL.Operations.Filter.PREDICATE, "A function that returns \"false\" when records are accepted, \"true\" otherwise", new PredicateDefinitionParser(false)),
                 storeField(false, "Materialized view of the filtered table (only applies to tables, ignored for streams)", StoreType.KEYVALUE_STORE),
-                storeNamesField(),
-                (name, pred, store, stores, tags) -> {
+                (name, pred, store, tags) -> {
                     if (pred != null)
-                        return new FilterNotOperation(storeOperationConfig(name, tags, store, stores), pred);
+                        return new FilterNotOperation(storeOperationConfig(name, tags, store), pred);
                     throw new ExecutionException("Predicate not defined for " + type + " operation");
                 });
     }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/FilterOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/FilterOperationParser.java
index b4d93161..af5e043f 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/FilterOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/FilterOperationParser.java
@@ -42,10 +42,9 @@ public StructsParser<FilterOperation> parser() {
                 operationNameField(),
                 functionField(KSMLDSL.Operations.Filter.PREDICATE, "A function that returns \"true\" when records are accepted, \"false\" otherwise", new PredicateDefinitionParser(false)),
                 storeField(false, "Materialized view of the filtered table (only applies to tables, ignored for streams)", StoreType.KEYVALUE_STORE),
-                storeNamesField(),
-                (name, pred, store, stores, tags) -> {
+                (name, pred, store, tags) -> {
                     if (pred != null)
-                        return new FilterOperation(storeOperationConfig(name, tags, store, stores), pred);
+                        return new FilterOperation(storeOperationConfig(name, tags, store), pred);
                     throw new ExecutionException("Predicate not defined for " + type + " operation");
                 });
     }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/ForEachOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/ForEachOperationParser.java
index b04e06c3..f364c03f 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/ForEachOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/ForEachOperationParser.java
@@ -38,7 +38,6 @@ public StructsParser<ForEachOperation> parser() {
                 "Operation to call a function for every record in the stream",
                 operationNameField(),
                 functionField(KSMLDSL.Operations.FOR_EACH, "A function that gets called for every message in the stream", new ForEachActionDefinitionParser(false)),
-                storeNamesField(),
-                (name, action, stores, tags) -> action != null ? new ForEachOperation(operationConfig(name, tags, stores), action) : null);
+                (name, action, tags) -> action != null ? new ForEachOperation(operationConfig(name, tags), action) : null);
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/OperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/OperationParser.java
index 568b49b3..b45687f2 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/OperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/OperationParser.java
@@ -48,10 +48,6 @@ protected StructsParser<String> operationNameField() {
         return optional(stringField(KSMLDSL.Operations.NAME_ATTRIBUTE, false, type, "The name of the operation processor"));
     }
 
-    protected StructsParser<List<String>> storeNamesField() {
-        return optional(listField(KSMLDSL.Operations.STORE_NAMES_ATTRIBUTE, "store", "state store name", "The names of all state stores used by the function", new StringValueParser()));
-    }
-
     protected OperationConfig operationConfig(String name, ContextTags tags) {
         return operationConfig(name, tags, null);
     }
@@ -60,8 +56,7 @@ protected OperationConfig operationConfig(String name, ContextTags tags, List<St
         name = validateName("Operation", name, defaultLongName != null ? defaultLongName + "_" + type : type);
         return new OperationConfig(
                 name != null ? resources().getUniqueOperationName(name) : resources().getUniqueOperationName(tags),
-                tags,
-                storeNames != null ? storeNames.toArray(new String[]{}) : null);
+                tags);
     }
 
     @Override
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/PeekOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/PeekOperationParser.java
index 64536aed..3ccee6e7 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/PeekOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/PeekOperationParser.java
@@ -39,7 +39,6 @@ public StructsParser<PeekOperation> parser() {
                 "Operation to peek into a stream, without modifying the stream contents",
                 operationNameField(),
                 functionField(KSMLDSL.Operations.FOR_EACH, "A function that gets called for every message in the stream", new ForEachActionDefinitionParser(false)),
-                storeNamesField(),
-                (name, action, stores, tags) -> new PeekOperation(operationConfig(name, tags, stores), action));
+                (name, action, tags) -> new PeekOperation(operationConfig(name, tags), action));
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/StoreOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/StoreOperationParser.java
index a23b7af3..5176eb79 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/StoreOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/StoreOperationParser.java
@@ -44,12 +44,8 @@ public StoreOperationParser(String type, TopologyResources resources) {
     }
 
     protected StoreOperationConfig storeOperationConfig(String name, ContextTags tags, StateStoreDefinition store) {
-        return storeOperationConfig(name, tags, store, null);
-    }
-
-    protected StoreOperationConfig storeOperationConfig(String name, ContextTags tags, StateStoreDefinition store, List<String> storeNames) {
         name = validateName("Store", name, defaultShortName(), true);
-        return new StoreOperationConfig(name != null ? resources().getUniqueOperationName(name) : resources().getUniqueOperationName(tags), tags, store, storeNames);
+        return new StoreOperationConfig(name != null ? resources().getUniqueOperationName(name) : resources().getUniqueOperationName(tags), tags, store);
     }
 
     protected StructsParser<StateStoreDefinition> storeField(boolean required, String doc, StoreType expectedStoreType) {
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyOperationParser.java
index 55ec3abc..6de24116 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyOperationParser.java
@@ -40,7 +40,6 @@ protected StructsParser<TransformKeyOperation> parser() {
                 "Convert the key of every record in the stream to another key",
                 operationNameField(),
                 functionField(KSMLDSL.Operations.Transform.MAPPER, "A function that computes a new key for each record", new KeyTransformerDefinitionParser(false)),
-                storeNamesField(),
-                (name, mapper, storeNames, tags) -> new TransformKeyOperation(operationConfig(name, tags, storeNames), mapper));
+                (name, mapper, tags) -> new TransformKeyOperation(operationConfig(name, tags), mapper));
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueOperationParser.java
index ca23868f..f784ecec 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueOperationParser.java
@@ -40,7 +40,6 @@ protected StructsParser<TransformKeyValueOperation> parser() {
                 "Convert the key/value of every record in the stream to another key/value",
                 operationNameField(),
                 functionField(KSMLDSL.Operations.Transform.MAPPER, "A function that computes a new key/value for each record", new KeyValueTransformerDefinitionParser(false)),
-                storeNamesField(),
-                (name, mapper, storeNames, tags) -> new TransformKeyValueOperation(operationConfig(name, tags, storeNames), mapper));
+                (name, mapper, tags) -> new TransformKeyValueOperation(operationConfig(name, tags), mapper));
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueToKeyValueListOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueToKeyValueListOperationParser.java
index 63a36204..89bd0267 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueToKeyValueListOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueToKeyValueListOperationParser.java
@@ -40,7 +40,6 @@ protected StructsParser<TransformKeyValueToKeyValueListOperation> parser() {
                 "Convert a stream by transforming every record into a list of derived records",
                 operationNameField(),
                 functionField(KSMLDSL.Operations.Transform.MAPPER, "A function that converts every record of a stream to a list of output records.", new KeyValueToKeyValueListTransformerDefinitionParser(false)),
-                storeNamesField(),
-                (name, mapper, storeNames, tags) -> new TransformKeyValueToKeyValueListOperation(operationConfig(name, tags, storeNames), mapper));
+                (name, mapper, tags) -> new TransformKeyValueToKeyValueListOperation(operationConfig(name, tags), mapper));
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueToValueListOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueToValueListOperationParser.java
index e5590ca0..4201652c 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueToValueListOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformKeyValueToValueListOperationParser.java
@@ -40,7 +40,6 @@ protected StructsParser<TransformKeyValueToValueListOperation> parser() {
                 "Convert every record in the stream to a list of output records with the same key",
                 operationNameField(),
                 functionField(KSMLDSL.Operations.Transform.MAPPER, "A function that converts every key/value into a list of result values, each of which will be combined with the original key to form a new message in the output stream", new KeyValueToValueListTransformerDefinitionParser(false)),
-                storeNamesField(),
-                (name, mapper, storeNames, tags) -> new TransformKeyValueToValueListOperation(operationConfig(name, tags, storeNames), mapper));
+                (name, mapper, tags) -> new TransformKeyValueToValueListOperation(operationConfig(name, tags), mapper));
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformMetadataOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformMetadataOperationParser.java
index f3a63163..492513b3 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformMetadataOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformMetadataOperationParser.java
@@ -39,7 +39,6 @@ protected StructsParser<TransformMetadataOperation> parser() {
                 "Convert the metadata of every record in the stream",
                 operationNameField(),
                 functionField(KSMLDSL.Operations.Transform.MAPPER, "A function that converts the metadata (Kafka headers, timestamp) of every record in the stream", new MetadataTransformerDefinitionParser(false)),
-                storeNamesField(),
-                (name, mapper, storeNames, tags) -> new TransformMetadataOperation(operationConfig(name, tags, storeNames), mapper));
+                (name, mapper, tags) -> new TransformMetadataOperation(operationConfig(name, tags), mapper));
     }
 }
diff --git a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformValueOperationParser.java b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformValueOperationParser.java
index a2efdd6c..eaaac2b1 100644
--- a/ksml/src/main/java/io/axual/ksml/operation/parser/TransformValueOperationParser.java
+++ b/ksml/src/main/java/io/axual/ksml/operation/parser/TransformValueOperationParser.java
@@ -42,7 +42,6 @@ protected StructsParser<TransformValueOperation> parser() {
                 operationNameField(),
                 functionField(KSMLDSL.Operations.Transform.MAPPER, "A function that converts the value of every record into another value", new ValueTransformerDefinitionParser(false)),
                 storeField(false, "Materialized view of the transformed table (only applies to tables, ignored for streams)", StoreType.KEYVALUE_STORE),
-                storeNamesField(),
-                (name, mapper, store, storeNames, tags) -> new TransformValueOperation(storeOperationConfig(name, tags, store, storeNames), mapper));
+                (name, mapper, store, tags) -> new TransformValueOperation(storeOperationConfig(name, tags, store), mapper));
     }
 }