import { GrpcClientFunc } from './types';
import { Span } from '@opentelemetry/api';
/**
 * This method handles the client remote call
 */
export declare const makeGrpcClientRemoteCall: (grpcClient: any, original: GrpcClientFunc, args: any[], metadata: any, self: any) => (span: Span) => Function;
export declare const getMetadata: (grpcClient: any, original: GrpcClientFunc, args: any[]) => any;