export declare function isHttpUrl(value: string): boolean;
export declare function isFileUrl(value: string): boolean;
export declare function absoluteResource(location: string, cwd?: string): string;
export declare function resolveResource(base: string, child: string, cwd?: string): string;
export declare function readResource(location: string, options?: {
    cwd?: string;
    userAgent?: string;
}): Promise<string>;
export declare function asFileUrl(filePath: string): string;