import { Path } from "./types";
/**
 * Internally, we represent paths as strings with '/' as the directory separator.
 * When we make system calls (eg: LanguageServiceHost.getDirectory()),
 * we expect the host to correctly handle paths in our specified format.
 */
export declare const directorySeparator = "/";
/**
 * Determines whether a path is an absolute disk path (e.g. starts with `/`, or a dos path
 * like `c:`, `c:\` or `c:/`).
 */
export declare function isRootedDiskPath(path: string): boolean;
export declare function hasExtension(fileName: string): boolean;
export declare function fileExtensionIsOneOf(path: string, extensions: readonly string[]): boolean;
/**
 * Returns the path except for its basename. Semantics align with NodeJS's `path.dirname`
 * except that we support URLs as well.
 *
 * ```ts
 * // POSIX
 * getDirectoryPath("/path/to/file.ext") === "/path/to"
 * getDirectoryPath("/path/to/") === "/path"
 * getDirectoryPath("/") === "/"
 * // DOS
 * getDirectoryPath("c:/path/to/file.ext") === "c:/path/to"
 * getDirectoryPath("c:/path/to/") === "c:/path"
 * getDirectoryPath("c:/") === "c:/"
 * getDirectoryPath("c:") === "c:"
 * // URL
 * getDirectoryPath("http://typescriptlang.org/path/to/file.ext") === "http://typescriptlang.org/path/to"
 * getDirectoryPath("http://typescriptlang.org/path/to") === "http://typescriptlang.org/path"
 * getDirectoryPath("http://typescriptlang.org/") === "http://typescriptlang.org/"
 * getDirectoryPath("http://typescriptlang.org") === "http://typescriptlang.org"
 * ```
 */
export declare function getDirectoryPath(path: Path): Path;
/**
 * Returns the path except for its basename. Semantics align with NodeJS's `path.dirname`
 * except that we support URLs as well.
 *
 * ```ts
 * // POSIX
 * getDirectoryPath("/path/to/file.ext") === "/path/to"
 * getDirectoryPath("/path/to/") === "/path"
 * getDirectoryPath("/") === "/"
 * // DOS
 * getDirectoryPath("c:/path/to/file.ext") === "c:/path/to"
 * getDirectoryPath("c:/path/to/") === "c:/path"
 * getDirectoryPath("c:/") === "c:/"
 * getDirectoryPath("c:") === "c:"
 * // URL
 * getDirectoryPath("http://typescriptlang.org/path/to/file.ext") === "http://typescriptlang.org/path/to"
 * getDirectoryPath("http://typescriptlang.org/path/to") === "http://typescriptlang.org/path"
 * getDirectoryPath("http://typescriptlang.org/") === "http://typescriptlang.org/"
 * getDirectoryPath("http://typescriptlang.org") === "http://typescriptlang.org"
 * getDirectoryPath("file://server/path/to/file.ext") === "file://server/path/to"
 * getDirectoryPath("file://server/path/to") === "file://server/path"
 * getDirectoryPath("file://server/") === "file://server/"
 * getDirectoryPath("file://server") === "file://server"
 * getDirectoryPath("file:///path/to/file.ext") === "file:///path/to"
 * getDirectoryPath("file:///path/to") === "file:///path"
 * getDirectoryPath("file:///") === "file:///"
 * getDirectoryPath("file://") === "file://"
 * ```
 */
export declare function getDirectoryPath(path: string): string;
/**
 * Combines paths. If a path is absolute, it replaces any previous path. Relative paths are not simplified.
 *
 * ```ts
 * // Non-rooted
 * combinePaths("path", "to", "file.ext") === "path/to/file.ext"
 * combinePaths("path", "dir", "..", "to", "file.ext") === "path/dir/../to/file.ext"
 * // POSIX
 * combinePaths("/path", "to", "file.ext") === "/path/to/file.ext"
 * combinePaths("/path", "/to", "file.ext") === "/to/file.ext"
 * // DOS
 * combinePaths("c:/path", "to", "file.ext") === "c:/path/to/file.ext"
 * combinePaths("c:/path", "c:/to", "file.ext") === "c:/to/file.ext"
 * // URL
 * combinePaths("file:///path", "to", "file.ext") === "file:///path/to/file.ext"
 * combinePaths("file:///path", "file:///to", "file.ext") === "file:///to/file.ext"
 * ```
 */
export declare function combinePaths(path: string, ...paths: (string | undefined)[]): string;
/**
 * Parse a path into an array containing a root component (at index 0) and zero or more path
 * components (at indices > 0). The result is normalized.
 * If the path is relative, the root component is `""`.
 * If the path is absolute, the root component includes the first path separator (`/`).
 *
 * ```ts
 * getNormalizedPathComponents("to/dir/../file.ext", "/path/") === ["/", "path", "to", "file.ext"]
 * ```
 */
export declare function getNormalizedPathComponents(path: string, currentDirectory: string | undefined): string[];
export declare function normalizePath(path: string): string;
/**
 * Removes a trailing directory separator from a path, if it does not already have one.
 *
 * ```ts
 * removeTrailingDirectorySeparator("/path/to/file.ext") === "/path/to/file.ext"
 * removeTrailingDirectorySeparator("/path/to/file.ext/") === "/path/to/file.ext"
 * ```
 */
export declare function removeTrailingDirectorySeparator(path: Path): Path;
export declare function removeTrailingDirectorySeparator(path: string): string;
/**
 * Determines whether a `parent` path contains a `child` path using the provide case sensitivity.
 */
export declare function containsPath(parent: string, child: string, ignoreCase?: boolean): boolean;
export declare function containsPath(parent: string, child: string, currentDirectory: string, ignoreCase?: boolean): boolean;