/** simplistic path manipulation utilities */
export declare function relativePath(srcPath: string | undefined, reqPath: string): string;
export declare function dirname(path: string): string;
export declare function join(a: string, b: string): string;
/** return path with ./ and foo/.. elements removed */
export declare function normalize(path: string): string;
/** return path w/o a suffix.
 * e.g. /foo/bar.wgsl => /foo/bar */
export declare function noSuffix(path: string): string;