feat(client-kendra): Introducing Amazon Kendra Retrieve API that can …

…be used to retrieve relevant passages or text excerpts given an input query.

clients/client-kendra/README.md

@@ -618,6 +618,14 @@ Query
 
 [Command API Reference](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-kendra/classes/querycommand.html) / [Input](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-kendra/interfaces/querycommandinput.html) / [Output](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-kendra/interfaces/querycommandoutput.html)
 
+</details>
+<details>
+<summary>
+Retrieve
+</summary>
+
+[Command API Reference](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-kendra/classes/retrievecommand.html) / [Input](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-kendra/interfaces/retrievecommandinput.html) / [Output](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-kendra/interfaces/retrievecommandoutput.html)
+
 </details>
 <details>
 <summary>

clients/client-kendra/src/Kendra.ts

@@ -230,6 +230,7 @@ import {
   PutPrincipalMappingCommandOutput,
 } from "./commands/PutPrincipalMappingCommand";
 import { QueryCommand, QueryCommandInput, QueryCommandOutput } from "./commands/QueryCommand";
+import { RetrieveCommand, RetrieveCommandInput, RetrieveCommandOutput } from "./commands/RetrieveCommand";
 import {
   StartDataSourceSyncJobCommand,
   StartDataSourceSyncJobCommandInput,
@@ -342,6 +343,7 @@ const commands = {
   ListThesauriCommand,
   PutPrincipalMappingCommand,
   QueryCommand,
+  RetrieveCommand,
   StartDataSourceSyncJobCommand,
   StopDataSourceSyncJobCommand,
   SubmitFeedbackCommand,
@@ -1164,6 +1166,17 @@ export interface Kendra {
     cb: (err: any, data?: QueryCommandOutput) => void
   ): void;
 
+  /**
+   * @see {@link RetrieveCommand}
+   */
+  retrieve(args: RetrieveCommandInput, options?: __HttpHandlerOptions): Promise<RetrieveCommandOutput>;
+  retrieve(args: RetrieveCommandInput, cb: (err: any, data?: RetrieveCommandOutput) => void): void;
+  retrieve(
+    args: RetrieveCommandInput,
+    options: __HttpHandlerOptions,
+    cb: (err: any, data?: RetrieveCommandOutput) => void
+  ): void;
+
   /**
    * @see {@link StartDataSourceSyncJobCommand}
    */

clients/client-kendra/src/KendraClient.ts

@@ -187,6 +187,7 @@ import {
   PutPrincipalMappingCommandOutput,
 } from "./commands/PutPrincipalMappingCommand";
 import { QueryCommandInput, QueryCommandOutput } from "./commands/QueryCommand";
+import { RetrieveCommandInput, RetrieveCommandOutput } from "./commands/RetrieveCommand";
 import {
   StartDataSourceSyncJobCommandInput,
   StartDataSourceSyncJobCommandOutput,
@@ -284,6 +285,7 @@ export type ServiceInputTypes =
   | ListThesauriCommandInput
   | PutPrincipalMappingCommandInput
   | QueryCommandInput
+  | RetrieveCommandInput
   | StartDataSourceSyncJobCommandInput
   | StopDataSourceSyncJobCommandInput
   | SubmitFeedbackCommandInput
@@ -354,6 +356,7 @@ export type ServiceOutputTypes =
   | ListThesauriCommandOutput
   | PutPrincipalMappingCommandOutput
   | QueryCommandOutput
+  | RetrieveCommandOutput
   | StartDataSourceSyncJobCommandOutput
   | StopDataSourceSyncJobCommandOutput
   | SubmitFeedbackCommandOutput

clients/client-kendra/src/commands/QueryCommand.ts

@@ -36,27 +36,30 @@ export interface QueryCommandOutput extends QueryResult, __MetadataBearer {}
 
 /**
  * @public
- * <p>Searches an active index. Use this API to search your documents using query. The
- *             <code>Query</code> API enables to do faceted search and to filter results based on
- *          document attributes.</p>
- *          <p>It also enables you to provide user context that Amazon Kendra uses to enforce
- *          document access control in the search results.</p>
- *          <p>Amazon Kendra searches your index for text content and question and answer (FAQ)
- *          content. By default the response contains three types of results.</p>
+ * <p>Searches an index given an input query.</p>
+ *          <p>You can configure boosting or relevance tuning at the query level to override boosting
+ *          at the index level, filter based on document fields/attributes and faceted search, and
+ *          filter based on the user or their group access to documents. You can also include certain
+ *          fields in the response that might provide useful additional information.</p>
+ *          <p>A query response contains three types of results.</p>
  *          <ul>
  *             <li>
- *                <p>Relevant passages</p>
+ *                <p>Relevant suggested answers. The answers can be either a text excerpt or table
+ *                excerpt. The answer can be highlighted in the excerpt.</p>
  *             </li>
  *             <li>
- *                <p>Matching FAQs</p>
+ *                <p>Matching FAQs or questions-answer from your FAQ file.</p>
  *             </li>
  *             <li>
- *                <p>Relevant documents</p>
+ *                <p>Relevant documents. This result type includes an excerpt of the document with
+ *                the document title. The searched terms can be highlighted in the excerpt.</p>
  *             </li>
  *          </ul>
  *          <p>You can specify that the query return only one type of result using the
- *             <code>QueryResultTypeFilter</code> parameter.</p>
- *          <p>Each query returns the 100 most relevant results. </p>
+ *          <code>QueryResultTypeFilter</code> parameter. Each query returns the 100
+ *          most relevant results. If you filter result type to only question-answers,
+ *          a maximum of four results are returned. If you filter result type to only
+ *          answers, a maximum of three results are returned.</p>
  * @example
  * Use a bare-bones client and the command you need to make an API call.
  * ```javascript