
Previously the RequestOptions/ResponseOptions classes had constructors with a destructured argument hash (represented by the {Request,Response}OptionsArgs type). This type consists entirely of optional members. This produces a .d.ts file which includes the constructor declaration: constructor({param, otherParam}?: OptionsArgs); However, this declaration doesn't type-check properly. TypeScript determines the actual type of the hash parameter to be OptionsArgs | undefined, which it then concludes does not have a `param` or `otherParam` member. This is a bug in TypeScript ( https://github.com/microsoft/typescript/issues/10078 ). As a workaround, destructuring is moved inside the method, where it does not produce broken artifacts in the .d.ts. Fixes #16663.
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