import { CryptoCoinIdentity } from '@ngraveio/bc-ur-registry-crypto-coin-identity';
import { DataItem, DataItemMap } from '@keystonehq/bc-ur-registry';
/**
 * An key value pair of metadata that extends DataItem, so it can be tagged and used in the UR registry
 * This class can be extended to add specific metadata
 */
export declare class SignRequestMeta extends DataItem {
    private coinId?;
    constructor(data: DataItemMap, tag?: number);
    toString(): string;
    /**
     * Checks the data provided to the MetaData
     * This needs to be overwritten in the child class to check for specific data types
     *
     * @param data object containing the data
     */
    checkInputData(data: DataItemMap): void;
    getCoinId: () => CryptoCoinIdentity | undefined;
}