/**
 * Checks if an array type is a tuple (fixed length) or regular array.
 *
 * Returns `true` for tuple types like `[string, number]` where length is fixed,
 * and `false` for array types like `string[]` where length is variable.
 *
 * @template T Array or tuple type to check
 */
export type IsTuple<T extends readonly any[] | {
    length: number;
}> = [
    T
] extends [never] ? false : T extends readonly any[] ? number extends T["length"] ? false : true : false;