import { HttpService } from "@nestjs/axios";
import { QueryOrPersistedId } from "./types";
export type GrpcRequestType = QueryOrPersistedId & {
    variables?: Record<string, any> | null | undefined;
};
export declare class PHXGrpcClientService {
    private readonly httpService;
    private readonly request;
    private readonly internalGrpcGateway;
    private readonly projectSource;
    constructor(httpService: HttpService, request: Request);
    query({ query, variables, persistedId }: GrpcRequestType): Promise<any>;
    mutation({ query, variables, persistedId }: GrpcRequestType): Promise<any>;
}