import { Type } from '@nestjs/common';
import { ReflectMetadataProvider } from '../../providers/reflect-metadata.provider';
import { OptionMetadata } from './option-metadata';
export declare class OptionExplorer {
    private readonly metadataProvider;
    constructor(metadataProvider: ReflectMetadataProvider);
    explore(dtoType: Type): OptionMetadata;
    private getChoiceOptions;
    private getChannelOptions;
    private getApplicationOptionTypeByArg;
}