guava/src/com/google/common/collect/MapMakerInternalMap.java
@VisibleForTesting
  E copyEntry(E original, E newNext) {
    int hash = original.getHash();
    return segmentFor(hash).copyEntry(original, newNext);
  }
@VisibleForTesting
  E copyEntry(E original, E newNext) {
    int hash = original.getHash();
    return segmentFor(hash).copyEntry(original, newNext);
  }
@ VisibleForTesting E copyEntry ( E original , E newNext ) { int hash = original . getHash ( ) ; return segmentFor ( hash ) . copyEntry ( original , newNext ) ; }
Guarded By Segment.this
Guarded By Segment . this