Adds unique inference chunking settings for elasticsearch

Author: kosabogi

specification/inference/_types/Services.ts

@@ -322,6 +322,67 @@ export class InferenceEndpointInfoWatsonx extends InferenceEndpoint {
   task_type: TaskTypeWatsonx
 }
 
+/**
+ * Chunking configuration object
+ */
+export class ElasticsearchInferenceChunkingSettings {
+  /**
+   * The maximum size of a chunk in words.
+   * This value cannot be lower than `20` (for `sentence` strategy) or `10` (for `word` strategy).
+   * This value should not exceed the window size for the associated model.
+   * @server_default 250
+   */
+  max_chunk_size?: integer
+  /**
+   * The number of overlapping words for chunks.
+   * It is applicable only to a `word` chunking strategy.
+   * This value cannot be higher than half the `max_chunk_size` value.
+   * @server_default 100
+   */
+  overlap?: integer
+  /**
+   * The number of overlapping sentences for chunks.
+   * It is applicable only for a `sentence` chunking strategy.
+   * It can be either `1` or `0`.
+   * @server_default 1
+   */
+  sentence_overlap?: integer
+  /**
+   * Only applicable to the `recursive` strategy and required when using it.
+   *
+   * Sets a predefined list of separators in the saved chunking settings based on the selected text type.
+   * Values can be `markdown` or `plaintext`.
+   *
+   * Using this parameter is an alternative to manually specifying a custom `separators` list.
+   */
+  separator_group?: string
+  /**
+   * Only applicable to the `recursive` strategy and required when using it.
+   *
+   * A list of strings used as possible split points when chunking text.
+   *
+   * Each string can be a plain string or a regular expression (regex) pattern.
+   * The system tries each separator in order to split the text, starting from the first item in the list.
+   *
+   * After splitting, it attempts to recombine smaller pieces into larger chunks that stay within
+   * the `max_chunk_size` limit, to reduce the total number of chunks generated.
+   */
+  separators?: string[]
+  /**
+   * The chunking strategy: `sentence`, `word`, `none` or `recursive`.
+   *
+   *  * If `strategy` is set to `recursive`, you must also specify:
+   *
+   * - `max_chunk_size`
+   * - either `separators` or`separator_group`
+   *
+   * Learn more about different chunking strategies in the linked documentation.
+   * @server_default sentence
+   * @ext_doc_id chunking-strategies
+   */
+  strategy?: string
+}
+
 /**
  * Chunking configuration object
  */