code: @Nonnull
    public JSVar var (@Nonnull @Nonempty final String sName, final boolean bInitValue) throws JSNameAlreadyExistsException
    {
      return var (sName, JSExpr.lit (bInitValue));
    }
docs: Adds a local variable declaration to this block
  
  @param sName
  Name of the variable
  @param bInitValue
  Initialization value for this variable.
  @return Newly generated {@link JSVar}
  @throws JSNameAlreadyExistsException
  if the name is not unique