/guava/android/guava/src/com/google/common/collect/TreeRangeSet.java
Entry<Cut<C>, Range<C>> entryBelowLB = rangesByLowerBound.lowerEntry ( rangeToRemove.lowerBound ) ;
@Override public void remove(Range<C> rangeToRemove) { checkNotNull(rangeToRemove); if (rangeToRemove.isEmpty()) { return; } <extra_id_0> if (entryBelowLB != null) { Range<C> rangeBelowLB = entryBelowLB.getValue(); if (rangeBelowLB.upperBound.compareTo(rangeToRemove.lowerBound) >= 0) { if (rangeToRemove.hasUpperBound() && rangeBelowLB.upperBound.compareTo(rangeToRemove.upperBound) >= 0) { replaceRangeWithSameLowerBound(