import { ScannerOptions, ScanTaskItem } from './types';
import { Manifest } from '../loader';
import { PluginConfig } from '../plugin';
export declare class ScanTaskRunner {
    private root;
    private options;
    private waitingTaskMap;
    private enabledPluginSet;
    private extraPluginConfig;
    private refMap;
    private taskQueue;
    private app;
    constructor(root: string, options: ScannerOptions);
    private walk;
    handlePluginConfig(pluginConfig: PluginConfig, basePath: string): Promise<PluginConfig>;
    /**
    * Handler of single scan task(only a ref)
    */
    run(taskItem: ScanTaskItem): Promise<void>;
    runAll(): Promise<void>;
    dump(): Manifest;
}