@Deprecated
    public ConfigOption<String> noDefaultValue() {
      return new ConfigOption<>(key, String.class, ConfigOption.EMPTY_DESCRIPTION, null, false);
    }
Creates a string-valued option with no default value. String-valued options are the only ones
that can have no default value.

@return The created ConfigOption.
@deprecated define the type explicitly first with one of the intType(), stringType(), etc.
amoro-common/src/main/java/org/apache/amoro/config/ConfigOptions.java