code: protected Variable createVariable(final String name, final Object value,
              final Modifiers mods) throws UtilEvalError {
          return this.createVariable(name, null/* type */, value, mods);
      }
docs: Creates the variable.
  @param name the name
  @param value the value
  @param mods the mods
  @return the variable
  @throws UtilEvalError the util eval error