/**
 * Similar to path.dirname except normalizes the path separators and slightly better handling for Windows UNC paths.
 *
 * For example, on Linux/macOS:
 * - `/               => /`
 * - `/hello          => /`
 *
 * For example, on Windows:
 * - `C:\             => C:\`
 * - `C:\hello        => C:\`
 * - `C:              => C:`
 * - `C:hello         => C:`
 * - `\               => \`
 * - `\hello          => \`
 * - `\\hello         => \\hello`
 * - `\\hello\world   => \\hello\world`
 */
export declare function dirname(p: string): string;
/**
 * Roots the path if not already rooted. On Windows, relative roots like `\`
 * or `C:` are expanded based on the current working directory.
 */
export declare function ensureAbsoluteRoot(root: string, itemPath: string): string;
/**
 * On Linux/macOS, true if path starts with `/`. On Windows, true for paths like:
 * `\\hello\share` and `C:\hello` (and using alternate separator).
 */
export declare function hasAbsoluteRoot(itemPath: string): boolean;
/**
 * On Linux/macOS, true if path starts with `/`. On Windows, true for paths like:
 * `\`, `\hello`, `\\hello\share`, `C:`, and `C:\hello` (and using alternate separator).
 */
export declare function hasRoot(itemPath: string): boolean;
/**
 * Removes redundant slashes and converts `/` to `\` on Windows
 */
export declare function normalizeSeparators(p: string): string;
/**
 * Normalizes the path separators and trims the trailing separator (when safe).
 * For example, `/foo/ => /foo` but `/ => /`
 */
export declare function safeTrimTrailingSeparator(p: string): string;