@Deprecated
  public static void check(boolean expression, Object errorMessage) {
    if (assertsEnabled && !expression) {
      throw new AssertionError(String.valueOf(errorMessage));
    }
  }
@ Deprecated public static void check ( boolean expression , Object errorMessage ) { if ( assertsEnabled && ! expression ) { throw new AssertionError ( String . valueOf ( errorMessage ) ) ; } }
@deprecated Use stock java assert statement. This method cannot be properly optimized away.