import { Handler } from '../handler';
import { HandlerInput } from '../../../../shared/types/handler-input';
import ExtractorContext from '../../extractor-context';
export declare abstract class Fetcher implements Handler {
    protected fetchSchema(request: HandlerInput, context: ExtractorContext): Promise<void>;
    protected fetchData(request: HandlerInput, context: ExtractorContext): Promise<void>;
    protected fetch(request: HandlerInput, context: ExtractorContext): Promise<any>;
    run(request: HandlerInput, context: ExtractorContext): Promise<void>;
}