/// <reference types="node" />
import { RawSourceMap } from 'source-map';
import Task from '@dojo/core/async/Task';
export declare function expandFiles(patterns?: string[] | string): string[];
export declare function getConfig(file?: string): Task<{
    config: any;
    file?: string;
}>;
export declare function getConfig(argv?: string[]): Task<{
    config: any;
    file?: string;
}>;
export declare function getConfig(file: string, argv?: string[]): Task<{
    config: any;
    file?: string;
}>;
export declare function loadText(path: string): Task<string>;
export declare function normalizePath(path: string): string;
export declare function readSourceMap(sourceFile: string, code?: string): RawSourceMap | undefined;
export declare function isErrnoException(value: any): value is NodeJS.ErrnoException;