returns the parserextension instance for the given key ornull if no extension can be found for the key . concode_field_sep Cur cur concode_elem_sep Cud cud concode_elem_sep char DEFAULT_EXTENSION_FIELD_DELIMITER concode_elem_sep Map<String,ParserExtension> extensions concode_elem_sep char extensionFieldDelimiter concode_field_sep void add concode_elem_sep String buildExtensionField concode_elem_sep String buildExtensionField concode_elem_sep char getExtensionFieldDelimiter concode_elem_sep String escapeExtensionField concode_elem_sep Pair<String,String> splitExtensionField
ParserExtension function ( String arg0 ) { return this . extensions . get ( arg0 ) ; }