question: public void removeInterval ( final BatchWriter writer , final TemporalInterval interval , final Statement statement ) throws MutationsRejectedException { final Text cf = new Text ( StatementSerializer . writeContext ( statement ) ) ; final Text cqBegin = new Text ( KeyParts . CQ_BEGIN ) ; final Text cqEnd = new Text ( KeyParts . CQ_END ) ; Text keyText = new Text ( interval . getAsKeyBeginning ( ) ) ; KeyParts . appendUniqueness ( statement , keyText ) ; Mutation m = new Mutation ( keyText ) ; m . putDelete ( cf , cqBegin ) ; writer . addMutation ( m ) ; keyText = new Text ( interval . getAsKeyEnd ( ) ) ; KeyParts . appendUniqueness ( statement , keyText ) ; m = new Mutation ( keyText ) ; m . putDelete ( cf , cqEnd ) ; writer . addMutation ( m ) ; }
target:  Remove an interval index TODO: integrate into KeyParts (or eliminate)