question: return the singleton instance . concode_field_sep String SQL_ERROR_CODE_DEFAULT_PATH concode_elem_sep Map<DataSource,SQLErrorCodes> dataSourceCache concode_elem_sep Log logger concode_elem_sep String SQL_ERROR_CODE_OVERRIDE_PATH concode_elem_sep Map<String,SQLErrorCodes> errorCodesMap concode_elem_sep SQLErrorCodesFactory instance concode_field_sep Resource loadResource concode_elem_sep void checkCustomTranslatorRegistry concode_elem_sep SQLErrorCodes registerDatabase concode_elem_sep SQLErrorCodes getErrorCodes concode_elem_sep SQLErrorCodes getErrorCodes
target: SQLErrorCodesFactory function ( ) { return instance ; }