import { Root } from 'protobufjs';
import * as protoLoader from '@grpc/proto-loader';
import * as grpc from '@grpc/grpc-js';
import { PackageDefinition } from "@grpc/proto-loader";
declare module 'protobufjs' {
    interface Root {
        toDescriptor(syntax: string): protobuf.Message;
    }
}
export declare class Descriptor {
    private root;
    constructor(protoBufJsRoot: Root);
    getProtobufJsRoot(): Root;
    getDescriptorMessage(syntax?: string): import("protobufjs").Message<object>;
    getDescriptorBuffer(syntax?: string): Uint8Array;
    getPackageDefinition(options?: protoLoader.Options, syntax?: string): PackageDefinition;
    getPackageObject(options?: protoLoader.Options): grpc.GrpcObject;
}