function presignV4import { presignV4 } from "https://deno.land/x/s3_lite_client@0.7.0/signing.ts"; presignV4(request: { protocol: "http:" | "https:"; headers: Headers; method: string; path: string; accessKey: string; secretKey: string; region: string; date: Date; expirySeconds: number; }): Promise<string>Generate a pre-signed URL Parametersrequest: { protocol: "http:" | "https:"; headers: Headers; method: string; path: string; accessKey: string; secretKey: string; region: string; date: Date; expirySeconds: number; }ReturnsPromise<string>