import { UnifiedMetadata } from '@polkadot-api/substrate-bindings';

declare const createV4Tx: (metadata: UnifiedMetadata, publicKey: Uint8Array, signed: Uint8Array, extra: Uint8Array[], callData: Uint8Array, signingType?: "Ecdsa" | "Ed25519" | "Sr25519") => Uint8Array<ArrayBufferLike>;

declare const getSignBytes: (sign: (x: Uint8Array) => Uint8Array | Promise<Uint8Array>) => (data: Uint8Array) => Promise<Uint8Array>;

export { createV4Tx, getSignBytes };