question: get this object as a mutableperiod . this will always return a new mutableperiod with the same fields . the period will use periodtype.standard . concode_field_sep long START_1972 concode_elem_sep int iPeriod concode_elem_sep long serialVersionUID concode_field_sep DurationFieldType getFieldType concode_elem_sep DurationFieldType getFieldType concode_elem_sep boolean isSupported concode_elem_sep int compareTo concode_elem_sep int getValue concode_elem_sep int getValue concode_elem_sep int size concode_elem_sep int hashCode concode_elem_sep void setValue concode_elem_sep int get concode_elem_sep boolean equals concode_elem_sep PeriodType getPeriodType concode_elem_sep Period toPeriod concode_elem_sep int between concode_elem_sep int between concode_elem_sep int standardPeriodIn
target: MutablePeriod function ( ) { MutablePeriod loc0 = new MutablePeriod ( ) ; loc0 . add ( this ) ; return loc0 ; }