--- /dev/null
+/**\r
+ * Tests if the specified path is absolute.\r
+ * @param {string} path Path to test\r
+ * @returns {boolean} `true` if path is absolute\r
+ */\r
+export function isAbsolute(path: string): boolean;\r
+\r
+/**\r
+ * Normalizes the specified path.\r
+ * @param {string} path Path to normalize\r
+ * @returns {string} Normalized path\r
+ */\r
+export function normalize(path: string): string;\r
+\r
+/**\r
+ * Resolves the specified include path against the specified origin path.\r
+ * @param {string} originPath Path to the origin file\r
+ * @param {string} includePath Include path relative to origin path\r
+ * @param {boolean} [alreadyNormalized=false] `true` if both paths are already known to be normalized\r
+ * @returns {string} Path to the include file\r
+ */\r
+export function resolve(originPath: string, includePath: string, alreadyNormalized?: boolean): string;\r