import type { NetworkClientId } from '@metamask/network-controller';
import EventEmitter from 'events';
import type { MethodData, TransactionControllerMessenger } from '../TransactionController.js';
export declare class MethodDataHelper {
    #private;
    hub: EventEmitter;
    constructor({ messenger, getState, }: {
        messenger: TransactionControllerMessenger;
        getState: () => Record<string, MethodData>;
    });
    lookup(fourBytePrefix: string, networkClientId: NetworkClientId): Promise<MethodData>;
}
//# sourceMappingURL=MethodDataHelper.d.ts.map