Refactor: replace Lombok annotations with explicit getters and setters and remove lombok dependencies (#140)

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## Issue
<!-- Please specify the ID of the issue this PR is addressing. For
example: "Closes #1234" or "Fixes #1234" -->
Fixes #[1636](langchain4j/langchain4j#1636)

## Change
<!-- Please describe the changes you made. -->
- Replaced Lombok annotations with explicit getters and setters.
- Removed Lombok dependencies.

## General checklist
<!-- Please double-check the following points and mark them like this:
[X] -->
- [x] There are no breaking changes
- [ ] I have added unit and/or integration tests for my change
- [ ] The tests cover both positive and negative cases
- [x] I have manually run all the unit and integration tests in the
module I have added/changed, and they are all green
<!-- Before adding documentation and example(s) (below), please wait
until the PR is reviewed and approved. -->
- [ ] I have added/updated the
[documentation](https://github.com/langchain4j/langchain4j/tree/main/docs/docs)
- [ ] I have added an example in the [examples
repo](https://github.com/langchain4j/langchain4j-examples) (only for
"big" features)


## Checklist for adding new Spring Boot starter
<!-- Please double-check the following points and mark them like this:
[X] -->
- [ ] I have added my new starter in the root `pom.xml`
- [ ] I have added a
`org.springframework.boot.autoconfigure.AutoConfiguration.imports` file
in the
`langchain4j-{integration}-spring-boot-starter/src/main/resources/META-INF/spring/`
directory

Author: kushal-dixit

langchain4j-anthropic-spring-boot-starter/pom.xml

@@ -32,13 +32,6 @@
             <optional>true</optional>
         </dependency>
 
-        <!-- should be listed before spring-boot-configuration-processor -->
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <scope>provided</scope>
-        </dependency>
-
         <!-- needed to generate automatic metadata about available config properties -->
         <dependency>
             <groupId>org.springframework.boot</groupId>

langchain4j-anthropic-spring-boot-starter/src/main/java/dev/langchain4j/anthropic/spring/ChatModelProperties.java

@@ -1,14 +1,10 @@
 package dev.langchain4j.anthropic.spring;
 
 import dev.langchain4j.model.chat.request.ToolChoice;
-import lombok.Getter;
-import lombok.Setter;
 
 import java.time.Duration;
 import java.util.List;
 
-@Getter
-@Setter
 class ChatModelProperties {
 
     String baseUrl;
@@ -32,4 +28,172 @@ class ChatModelProperties {
     Integer maxRetries;
     Boolean logRequests;
     Boolean logResponses;
+
+    public String getBaseUrl() {
+        return baseUrl;
+    }
+
+    public void setBaseUrl(String baseUrl) {
+        this.baseUrl = baseUrl;
+    }
+
+    public String getApiKey() {
+        return apiKey;
+    }
+
+    public void setApiKey(String apiKey) {
+        this.apiKey = apiKey;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
+    public String getBeta() {
+        return beta;
+    }
+
+    public void setBeta(String beta) {
+        this.beta = beta;
+    }
+
+    public String getModelName() {
+        return modelName;
+    }
+
+    public void setModelName(String modelName) {
+        this.modelName = modelName;
+    }
+
+    public Double getTemperature() {
+        return temperature;
+    }
+
+    public void setTemperature(Double temperature) {
+        this.temperature = temperature;
+    }
+
+    public Double getTopP() {
+        return topP;
+    }
+
+    public void setTopP(Double topP) {
+        this.topP = topP;
+    }
+
+    public Integer getTopK() {
+        return topK;
+    }
+
+    public void setTopK(Integer topK) {
+        this.topK = topK;
+    }
+
+    public Integer getMaxTokens() {
+        return maxTokens;
+    }
+
+    public void setMaxTokens(Integer maxTokens) {
+        this.maxTokens = maxTokens;
+    }
+
+    public List<String> getStopSequences() {
+        return stopSequences;
+    }
+
+    public void setStopSequences(List<String> stopSequences) {
+        this.stopSequences = stopSequences;
+    }
+
+    public ToolChoice getToolChoice() {
+        return toolChoice;
+    }
+
+    public void setToolChoice(ToolChoice toolChoice) {
+        this.toolChoice = toolChoice;
+    }
+
+    public Boolean getCacheSystemMessages() {
+        return cacheSystemMessages;
+    }
+
+    public void setCacheSystemMessages(Boolean cacheSystemMessages) {
+        this.cacheSystemMessages = cacheSystemMessages;
+    }
+
+    public Boolean getCacheTools() {
+        return cacheTools;
+    }
+
+    public void setCacheTools(Boolean cacheTools) {
+        this.cacheTools = cacheTools;
+    }
+
+    public String getThinkingType() {
+        return thinkingType;
+    }
+
+    public void setThinkingType(String thinkingType) {
+        this.thinkingType = thinkingType;
+    }
+
+    public Integer getThinkingBudgetTokens() {
+        return thinkingBudgetTokens;
+    }
+
+    public void setThinkingBudgetTokens(Integer thinkingBudgetTokens) {
+        this.thinkingBudgetTokens = thinkingBudgetTokens;
+    }
+
+    public Boolean getReturnThinking() {
+        return returnThinking;
+    }
+
+    public void setReturnThinking(Boolean returnThinking) {
+        this.returnThinking = returnThinking;
+    }
+
+    public Boolean getSendThinking() {
+        return sendThinking;
+    }
+
+    public void setSendThinking(Boolean sendThinking) {
+        this.sendThinking = sendThinking;
+    }
+
+    public Duration getTimeout() {
+        return timeout;
+    }
+
+    public void setTimeout(Duration timeout) {
+        this.timeout = timeout;
+    }
+
+    public Integer getMaxRetries() {
+        return maxRetries;
+    }
+
+    public void setMaxRetries(Integer maxRetries) {
+        this.maxRetries = maxRetries;
+    }
+
+    public Boolean getLogRequests() {
+        return logRequests;
+    }
+
+    public void setLogRequests(Boolean logRequests) {
+        this.logRequests = logRequests;
+    }
+
+    public Boolean getLogResponses() {
+        return logResponses;
+    }
+
+    public void setLogResponses(Boolean logResponses) {
+        this.logResponses = logResponses;
+    }
 }

langchain4j-anthropic-spring-boot-starter/src/main/java/dev/langchain4j/anthropic/spring/Properties.java

@@ -1,12 +1,8 @@
 package dev.langchain4j.anthropic.spring;
 
-import lombok.Getter;
-import lombok.Setter;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.NestedConfigurationProperty;
 
-@Getter
-@Setter
 @ConfigurationProperties(prefix = Properties.PREFIX)
 public class Properties {
 
@@ -17,4 +13,20 @@ public class Properties {
 
     @NestedConfigurationProperty
     ChatModelProperties streamingChatModel;
+
+    public ChatModelProperties getChatModel() {
+        return chatModel;
+    }
+
+    public void setChatModel(ChatModelProperties chatModel) {
+        this.chatModel = chatModel;
+    }
+
+    public ChatModelProperties getStreamingChatModel() {
+        return streamingChatModel;
+    }
+
+    public void setStreamingChatModel(ChatModelProperties streamingChatModel) {
+        this.streamingChatModel = streamingChatModel;
+    }
 }

langchain4j-azure-ai-search-spring-boot-starter/pom.xml

@@ -33,13 +33,6 @@
             <optional>true</optional>
         </dependency>
 
-        <!-- should be listed before spring-boot-configuration-processor -->
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <scope>provided</scope>
-        </dependency>
-
         <!-- needed to generate automatic metadata about available config properties -->
         <dependency>
             <groupId>org.springframework.boot</groupId>

langchain4j-azure-ai-search-spring-boot-starter/src/main/java/dev/langchain4j/azure/aisearch/spring/Properties.java

@@ -1,13 +1,10 @@
 package dev.langchain4j.azure.aisearch.spring;
 
 import dev.langchain4j.rag.content.retriever.azure.search.AzureAiSearchQueryType;
-import lombok.Getter;
-import lombok.Setter;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.NestedConfigurationProperty;
 
-@Getter
-@Setter
+
 @ConfigurationProperties(prefix = Properties.PREFIX)
 public class Properties {
 
@@ -19,8 +16,22 @@ public class Properties {
     @NestedConfigurationProperty
     NestedProperties embeddingStore;
 
-    @Getter
-    @Setter
+    public NestedProperties getContentRetriever() {
+        return contentRetriever;
+    }
+
+    public void setContentRetriever(NestedProperties contentRetriever) {
+        this.contentRetriever = contentRetriever;
+    }
+
+    public NestedProperties getEmbeddingStore() {
+        return embeddingStore;
+    }
+
+    public void setEmbeddingStore(NestedProperties embeddingStore) {
+        this.embeddingStore = embeddingStore;
+    }
+
     public static class NestedProperties {
         String endpoint;
         String apiKey;
@@ -30,5 +41,69 @@ public static class NestedProperties {
         Integer maxResults = 3;
         Double minScore;
         AzureAiSearchQueryType queryType;
+
+        public String getEndpoint() {
+            return endpoint;
+        }
+
+        public void setEndpoint(String endpoint) {
+            this.endpoint = endpoint;
+        }
+
+        public String getApiKey() {
+            return apiKey;
+        }
+
+        public void setApiKey(String apiKey) {
+            this.apiKey = apiKey;
+        }
+
+        public Integer getDimensions() {
+            return dimensions;
+        }
+
+        public void setDimensions(Integer dimensions) {
+            this.dimensions = dimensions;
+        }
+
+        public Boolean getCreateOrUpdateIndex() {
+            return createOrUpdateIndex;
+        }
+
+        public void setCreateOrUpdateIndex(Boolean createOrUpdateIndex) {
+            this.createOrUpdateIndex = createOrUpdateIndex;
+        }
+
+        public String getIndexName() {
+            return indexName;
+        }
+
+        public void setIndexName(String indexName) {
+            this.indexName = indexName;
+        }
+
+        public Integer getMaxResults() {
+            return maxResults;
+        }
+
+        public void setMaxResults(Integer maxResults) {
+            this.maxResults = maxResults;
+        }
+
+        public Double getMinScore() {
+            return minScore;
+        }
+
+        public void setMinScore(Double minScore) {
+            this.minScore = minScore;
+        }
+
+        public AzureAiSearchQueryType getQueryType() {
+            return queryType;
+        }
+
+        public void setQueryType(AzureAiSearchQueryType queryType) {
+            this.queryType = queryType;
+        }
     }
 }

langchain4j-easy-rag-spring-boot-starter/pom.xml

@@ -32,13 +32,6 @@
             <optional>true</optional>
         </dependency>
 
-        <!-- should be listed before spring-boot-configuration-processor -->
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <scope>provided</scope>
-        </dependency>
-
         <!-- needed to generate automatic metadata about available config properties -->
         <dependency>
             <groupId>org.springframework.boot</groupId>