export declare const getRequestMetadataWithoutAck: (destGasLimit: number) => string;
export declare const getRequestMetadataWithAck: (destGasLimit: number, ackType: number, ackGasLimit: number) => string;
export declare const getRequestMetadata: (destGasLimit: number, destGasPrice: number, ackGasLimit: number, ackGasPrice: number, relayerFees: number, ackType: number, isReadCall: boolean, asmAddress: string) => string;