public boolean isRemoveAll() {
    return (opDetails & OP_DETAILS_REMOVEALL) != 0;
  }
Returns true if this operation was initiated by a removeAll.

@return whether this operation was initiated by a removeAll

@see Region#removeAll(java.util.Collection)
@since GemFire 8.1
geode-core/src/main/java/org/apache/geode/cache/Operation.java