import { OnModuleInit } from '@nestjs/common';
import { GrpcOptions } from '../interfaces';
export declare class GrpcProtoService implements OnModuleInit {
    private readonly options;
    private readonly logger;
    private protoDefinition;
    private isLoaded;
    private loadingPromise;
    constructor(options: GrpcOptions);
    private validateOptions;
    onModuleInit(): Promise<void>;
    load(): Promise<any>;
    private getLoadedServiceNames;
    private performLoad;
    private validateProtoPath;
    private loadMultipleProtoFiles;
    private loadSingleProtoFile;
    getProtoDefinition(): any;
    loadService(serviceName: string): Promise<any>;
    private validateServiceName;
    private loadServiceFromMultipleFiles;
    private loadServiceFromSingleFile;
    private isDirectory;
    private isGlobPattern;
    private findProtoFiles;
    private getServiceByPackageName;
}