Merge pull request #1538 from andreadimaio/main

Replace 'max_tokens' with 'max_completion_tokens' in watsonx.ai

Author: geoand

model-providers/watsonx/runtime/src/main/java/io/quarkiverse/langchain4j/watsonx/bean/TextChatParameters.java

@@ -34,7 +34,7 @@ public static TextChatToolChoiceTool of(String name) {
     private final Map<String, Integer> logitBias;
     private final Boolean logprobs;
     private final Integer topLogprobs;
-    private final Integer maxTokens;
+    private final Integer maxCompletionTokens;
     private final Integer n;
     private final Double presencePenalty;
     private final Integer seed;
@@ -50,7 +50,7 @@ public TextChatParameters(Builder builder) {
         this.logitBias = builder.logitBias;
         this.logprobs = builder.logprobs;
         this.topLogprobs = builder.topLogprobs;
-        this.maxTokens = builder.maxTokens;
+        this.maxCompletionTokens = builder.maxTokens;
         this.n = builder.n;
         this.presencePenalty = builder.presencePenalty;
         this.temperature = builder.temperature;
@@ -172,8 +172,8 @@ public Integer getTopLogprobs() {
         return topLogprobs;
     }
 
-    public Integer getMaxTokens() {
-        return maxTokens;
+    public Integer getMaxCompletionTokens() {
+        return maxCompletionTokens;
     }
 
     public Integer getN() {

model-providers/watsonx/runtime/src/main/java/io/quarkiverse/langchain4j/watsonx/runtime/config/ChatModelConfig.java

@@ -74,9 +74,9 @@ public interface ChatModelConfig {
     Optional<Integer> topLogprobs();
 
     /**
-     * Specifies the maximum number of tokens that can be generated in the chat completion.
-     * <p>
-     * The total number of tokens — including both input and output — must not exceed the model's context length.
+     * The maximum number of tokens that can be generated in the chat completion. The total length of input tokens and generated
+     * tokens is limited by the
+     * model's context length. Set to 0 for the model's configured max generated tokens.
      */
     @WithDefault("1024")
     Integer maxTokens();