import { sendUnaryData, ServerDuplexStream, ServerReadableStream, ServerUnaryCall, ServerWritableStream } from '@grpc/grpc-js';
import { Constructor, ControllerClass } from '@loopback/core';
import { GrpcSecureOptions } from './keys';
export declare type ControllerInstance = {
    [name: string]: unknown;
} & object;
/**
 * Interface that describes a GRPC Sequence
 */
export interface GrpcSequenceInterface {
    unaryCall<Req, Res>(call: ServerUnaryCall<Req, Res>, callback: sendUnaryData<Res>): Promise<void>;
    clientStreamingCall<Req, Res>(clientStream: ServerReadableStream<Req, Res>, callback: sendUnaryData<any>): Promise<void>;
    processServerStream<Req, Res>(stream: ServerWritableStream<Req, Res>): void;
    processBidiStream<Req, Res>(stream: ServerDuplexStream<Req, Res>): void;
}
export interface GrpcComponentConfig {
    controllers?: ControllerClass<ControllerInstance>[];
    cwd?: string;
    generateProtoTs?: boolean;
    /**
     * glob pattern for proto files, default to `**\/*proto`
     */
    protoPattern?: string;
    /**
     * An array of glob patterns to ignore for proto files,
     * default to ['**\/node_modules\/**]
     */
    protoIgnores?: string[];
    protoOutDir?: string;
    host?: string;
    port?: number;
    sequence?: Constructor<GrpcSequenceInterface>;
    secureOptions?: GrpcSecureOptions;
}
export interface GrpcMethod {
    PROTO_NAME: string;
    PROTO_PACKAGE: string;
    SERVICE_NAME: string;
    METHOD_NAME: string;
    REQUEST_STREAM: boolean;
    RESPONSE_STREAM: boolean;
}