method GenericExtrinsicV4.prototype.signFakeimport { GenericExtrinsicV4 } from "https://deno.land/x/polkadot@0.2.45/types/index.ts"; signFake(signer: Address | Uint8Array | string, options: SignatureOptions): GenericExtrinsicV4Parameterssigner: Address | Uint8Array | stringoptions: SignatureOptionsReturnsGenericExtrinsicV4