the previous state of the instance . concode_field_sep String instanceId concode_elem_sep InstanceState currentState concode_elem_sep InstanceState previousState concode_field_sep InstanceStateChange withPreviousState concode_elem_sep String getInstanceId concode_elem_sep void setPreviousState concode_elem_sep InstanceStateChange withInstanceId concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep InstanceStateChange withCurrentState concode_elem_sep InstanceStateChange clone concode_elem_sep InstanceState getCurrentState concode_elem_sep void setInstanceId concode_elem_sep void setCurrentState concode_elem_sep String toString
InstanceState function ( ) { return previousState ; }