import type { ClassProvider, DynamicModule, ExistingProvider, FactoryProvider, InjectionToken, ValueProvider } from '@nestjs/common';
import type { Resource, ResourceExtractor } from '@rsdk/metadata';
/**
 * @private
 */
export declare class ConfigMetadataExtractor implements ResourceExtractor {
    extract(value: DynamicModule | ClassProvider<any> | ValueProvider<any> | FactoryProvider<any> | ExistingProvider<any> | InjectionToken): Resource<unknown>[];
    private handle;
}