/**
 * @fileoverview gRPC-Web generated client stub for payment
 * @enhanceable
 * @public
 */
import * as grpcWeb from 'grpc-web';
import * as payment_service_pb from './service_pb';
export declare class PaymentServiceClient {
    client_: grpcWeb.AbstractClientBase;
    hostname_: string;
    credentials_: null | {
        [index: string]: string;
    };
    options_: null | {
        [index: string]: any;
    };
    constructor(hostname: string, credentials?: null | {
        [index: string]: string;
    }, options?: null | {
        [index: string]: any;
    });
    methodDescriptorConfirmPayment: grpcWeb.MethodDescriptor<payment_service_pb.ConfirmPaymentRequest, payment_service_pb.ConfirmPaymentResponse>;
    confirmPayment(request: payment_service_pb.ConfirmPaymentRequest, metadata?: grpcWeb.Metadata | null): Promise<payment_service_pb.ConfirmPaymentResponse>;
    confirmPayment(request: payment_service_pb.ConfirmPaymentRequest, metadata: grpcWeb.Metadata | null, callback: (err: grpcWeb.RpcError, response: payment_service_pb.ConfirmPaymentResponse) => void): grpcWeb.ClientReadableStream<payment_service_pb.ConfirmPaymentResponse>;
}
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