src/Helpers/FileHelperAsc.php
public static function unlock($filePath, $processQueue = true)
    {
        $filePath = FileHelper::normalizePath($filePath);
        if (isset(static::$_lockedFiles[$filePath])) {
            unset(static::$_lockedFiles[$filePath]);
        }
        if ($processQueue) {
            static::processUnlockQueue($filePath);
        }
    }
public static function unlock($filePath, $processQueue = true)
    {
        $filePath = FileHelper::normalizePath($filePath);
        if (isset(static::$_lockedFiles[$filePath])) {
            unset(static::$_lockedFiles[$filePath]);
        }
        if ($processQueue) {
            static::processUnlockQueue($filePath);
        }
    }
Unlock file
@param string $filePath
@param bool   $processQueue