method Request.prototype.formDataimport { Request } from "https://deno.land/x/deno@v1.28.0/ext/fetch/lib.deno_fetch.d.ts"; formData(): Promise<FormData>Takes a Request stream and reads it to completion. It returns a promise that resolves with a FormData object. Takes a Request stream and reads it to completion. It returns a promise that resolves with a FormData object. ReturnsPromise<FormData>