else -> false
    }


/**
 * Returns `true` if [this] expression is fully-qualified with package name.
 * Such expressions definitely do not need any kind of imports.
 *
 * Examples:
 * - `pkg.foo()` - `true`
 * - `foo()` - `false`
 * - `Obj.foo()` - `false`
 * - `pkg.Obj.foo()` - `false`
 */