import { Bytes } from '@cryptoeconomicslab/primitives';
import { KeyValueStore } from './';
export declare function getWitnesses(witnessDb: KeyValueStore, hint: string): Promise<Bytes[]>;
export declare function putWitness(witnessDb: KeyValueStore, hint: string, value: Bytes): Promise<void>;
export declare function isHint(b: Bytes): boolean;
export declare function replaceHint(hint: string, substitutions: {
    [key: string]: Bytes;
}): string;