import { InjectionToken, ModuleMetadata, OptionalFactoryDependency, Type } from '@nestjs/common';
import { GrpcOptions } from '@nestjs/microservices';
export interface GrpcReflectionOptionsFactory {
    createGrpcReflectionOptions(): Promise<GrpcOptions> | GrpcOptions;
}
export interface GrpcReflectionModuleAsyncOptions extends Pick<ModuleMetadata, 'imports'> {
    useExisting?: Type<GrpcReflectionOptionsFactory>;
    useClass?: Type<GrpcReflectionOptionsFactory>;
    useFactory?: (...args: unknown[]) => Promise<GrpcOptions> | GrpcOptions;
    inject?: Array<InjectionToken | OptionalFactoryDependency>;
}