returns the singleton instance of jsonnull concode_field_sep JSONNull instance concode_field_sep int size concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep boolean isEmpty concode_elem_sep boolean isArray concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep Writer write
JSONNull function ( ) { return instance ; }