/**
 * Parse a Git tree entry name as a nibble index.
 *
 * @param name - the raw tree entry filename
 * @returns the decoded nibble index (non-negative integer)
 * @throws {TrieStoreError} with code `E_TRIE_STORE_CORRUPT` when the
 *   name is empty, contains non-hex characters, or fails to parse as
 *   a non-negative integer
 */
export declare function parseNibbleName(name: string): number;
