import { HttpService } from "@nestjs/axios";
import { ConfigService } from "@nestjs/config";
export interface GrpcRequestType {
    query: string;
    variables?: Record<string, any> | null | undefined;
}
export declare class PHXGrpcClientService {
    private readonly httpService;
    private readonly configService;
    private readonly request;
    private readonly internalGrpcGateway;
    private readonly projectSource;
    constructor(httpService: HttpService, configService: ConfigService, request: Request);
    query({ query, variables }: GrpcRequestType): Promise<any>;
    mutation({ query, variables }: GrpcRequestType): Promise<any>;
}