guava/src/com/google/common/collect/HashBiMap.java
private void delete(BiEntry<K, V> entry) {
    int keyBucket = entry.keyHash & mask;
    BiEntry<K, V> prevBucketEntry = null;
    for (BiEntry<K, V> bucketEntry = hashTableKToV[keyBucket];
        true;
        bucketEntry = bucketEntry.nextInKToVBucket) {
      if (bucketEntry == entry) {
        if (prevBucketEntry == null) {
          hashTableKToV[keyBucket] = entry.nextInKToVBucket;
        } else {
          prevBucketEntry.nextInKToVBucket = entry.nextInKToVBucket;
        }
        break;
      }
      prevBucketEntry = bucketEntry;
    }

    int valueBucket = entry.valueHash & mask;
    prevBucketEntry = null;
    for (BiEntry<K, V> bucketEntry = hashTableVToK[valueBucket];
        true;
        bucketEntry = bucketEntry.nextInVToKBucket) {
      if (bucketEntry == entry) {
        if (prevBucketEntry == null) {
          hashTableVToK[valueBucket] = entry.nextInVToKBucket;
        } else {
          prevBucketEntry.nextInVToKBucket = entry.nextInVToKBucket;
        }
        break;
      }
      prevBucketEntry = bucketEntry;
    }

    if (entry.prevInKeyInsertionOrder == null) {
      firstInKeyInsertionOrder = entry.nextInKeyInsertionOrder;
    } else {
      entry.prevInKeyInsertionOrder.nextInKeyInsertionOrder = entry.nextInKeyInsertionOrder;
    }

    if (entry.nextInKeyInsertionOrder == null) {
      lastInKeyInsertionOrder = entry.prevInKeyInsertionOrder;
    } else {
      entry.nextInKeyInsertionOrder.prevInKeyInsertionOrder = entry.prevInKeyInsertionOrder;
    }

    size--;
    modCount++;
  }
private void delete(BiEntry<K, V> entry) {
    int keyBucket = entry.keyHash & mask;
    BiEntry<K, V> prevBucketEntry = null;
    for (BiEntry<K, V> bucketEntry = hashTableKToV[keyBucket];
        true;
        bucketEntry = bucketEntry.nextInKToVBucket) {
      if (bucketEntry == entry) {
        if (prevBucketEntry == null) {
          hashTableKToV[keyBucket] = entry.nextInKToVBucket;
        } else {
          prevBucketEntry.nextInKToVBucket = entry.nextInKToVBucket;
        }
        break;
      }
      prevBucketEntry = bucketEntry;
    }

    int valueBucket = entry.valueHash & mask;
    prevBucketEntry = null;
    for (BiEntry<K, V> bucketEntry = hashTableVToK[valueBucket];
        true;
        bucketEntry = bucketEntry.nextInVToKBucket) {
      if (bucketEntry == entry) {
        if (prevBucketEntry == null) {
          hashTableVToK[valueBucket] = entry.nextInVToKBucket;
        } else {
          prevBucketEntry.nextInVToKBucket = entry.nextInVToKBucket;
        }
        break;
      }
      prevBucketEntry = bucketEntry;
    }

    if (entry.prevInKeyInsertionOrder == null) {
      firstInKeyInsertionOrder = entry.nextInKeyInsertionOrder;
    } else {
      entry.prevInKeyInsertionOrder.nextInKeyInsertionOrder = entry.nextInKeyInsertionOrder;
    }

    if (entry.nextInKeyInsertionOrder == null) {
      lastInKeyInsertionOrder = entry.prevInKeyInsertionOrder;
    } else {
      entry.nextInKeyInsertionOrder.prevInKeyInsertionOrder = entry.prevInKeyInsertionOrder;
    }

    size--;
    modCount++;
  }
Finds and removes {@code entry} from the bucket linked lists in both the key-to-value direction
and the value-to-key direction.