import { u8aIsWrapped, u8aUnwrapBytes, u8aWrapBytes } from '@polkadot/util';
export declare const ETHEREUM: Uint8Array<ArrayBufferLike>;
export declare const POSTFIX: Uint8Array<ArrayBufferLike>;
export declare const PREFIX: Uint8Array<ArrayBufferLike>;
export declare const isWrapped: typeof u8aIsWrapped;
export declare const unwrapBytes: typeof u8aUnwrapBytes;
export declare const wrapBytes: typeof u8aWrapBytes;