import * as grpc from '@grpc/grpc-js';
import { ReactiveNodeClientUnaryMethod, ReactiveNodeClientRequestStreamMethod, ReactiveNodeClientResponseStreamMethod, ReactiveNodeClientBidirectionalStreamMethod } from './client_methods';
/**
 * Mapped type that transforms all gRPC method signatures within the gRPC client
 * into their reactive counterparts.
 */
export declare type ReactiveNodeClient<ClientType extends grpc.Client> = {
    [rpc in keyof ClientType]: ClientType[rpc] extends (metadata: grpc.Metadata, options: Partial<grpc.CallOptions>) => grpc.ClientDuplexStream<infer RequestType, infer ResponseType> ? ReactiveNodeClientBidirectionalStreamMethod<RequestType, ResponseType> : ClientType[rpc] extends (request: infer RequestType, metadata: grpc.Metadata, options: Partial<grpc.CallOptions>) => grpc.ClientReadableStream<infer ResponseType> ? ReactiveNodeClientResponseStreamMethod<RequestType, ResponseType> : ClientType[rpc] extends (metadata: grpc.Metadata, options: Partial<grpc.CallOptions>, callback: (error: grpc.ServiceError | null, response: infer ResponseType) => void) => grpc.ClientWritableStream<infer RequestType> ? ReactiveNodeClientRequestStreamMethod<RequestType, ResponseType> : ClientType[rpc] extends (request: infer RequestType, metadata: grpc.Metadata, options: Partial<grpc.CallOptions>, callback: (error: grpc.ServiceError | null, response: infer ResponseType) => void) => grpc.ClientUnaryCall ? ReactiveNodeClientUnaryMethod<RequestType, ResponseType> : unknown;
};
/**
 * Wraps a non-reactive gRPC client so that all methods can be called reactively.
 * @param serviceDefinition The gRPC service definition which the client implements.
 * @param client The standard non-reactive gRPC client to be wrapped.
 * @returns A reactive client which uses the regular client.
 */
export declare function reactifyNodeClient<ClientType extends grpc.Client>(serviceDefinition: grpc.ServiceDefinition<grpc.UntypedServiceImplementation>, client: ClientType): ReactiveNodeClient<ClientType>;