fix(api): Fix for parameters with missing descriptions

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 4
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/runwayml%2Frunwayml-50d72f887af30d0d676f216865284f2bc36899cc197f81774445e00bc0228c02.yml
-openapi_spec_hash: c692214e7e704169e0e82d5b367e8f8c
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/runwayml%2Frunwayml-34491bc11ee43039ff5f1828a4caf68847a7346ab283bbefe88d1690951dd4d6.yml
+openapi_spec_hash: 4fc80b2e354cf70ebc85e0ef4e7e6f51
 config_hash: 77ce816c37172a537f337abfaf2d65a9

src/resources/image-to-video.ts

@@ -36,13 +36,35 @@ export interface ImageToVideoCreateParams {
    */
   promptImage: string | Array<ImageToVideoCreateParams.PromptImage>;
 
+  /**
+   * The resolution of the output video.
+   *
+   * `gen4_turbo` supports the following values:
+   *
+   * - `1280:720`
+   * - `720:1280`
+   * - `1104:832`
+   * - `832:1104`
+   * - `960:960`
+   * - `1584:672`
+   *
+   * `gen3a_turbo` supports the following values:
+   *
+   * - `1280:768`
+   * - `768:1280`
+   */
   ratio: '1280:720' | '720:1280' | '1104:832' | '832:1104' | '960:960' | '1584:672' | '1280:768' | '768:1280';
 
   /**
    * The number of seconds of duration for the output video.
    */
   duration?: 5 | 10;
 
+  /**
+   * A non-empty string up to 1000 UTF-16 code points in length (that is,
+   * `promptText.length === 1000` in JavaScript). This should describe in detail what
+   * should appear in the output.
+   */
   promptText?: string;
 
   /**