code: @Nonnull
    public JSRegExLiteral gim (final boolean bGlobal, final boolean bCaseInsensitive, final boolean bMultiLine)
    {
      return global (bGlobal).caseInsensitive (bCaseInsensitive).multiLine (bMultiLine);
    }
docs: Set global, case insensitive and multi line at once
  
  @param bGlobal
  value for global
  @param bCaseInsensitive
  value for case insensitive
  @param bMultiLine
  value for multi line
  @return this