code: protected BlockStmt fieldUpdaterCompareAndSet(String fieldUpdaterFieldName, String expectedValueName,
              String newValueName) {
          BlockStmt body = new BlockStmt();
          body.addStatement(new ReturnStmt(methodCallExpr(fieldUpdaterFieldName, "compareAndSet", new ThisExpr(),
                  new NameExpr(expectedValueName), new NameExpr(newValueName))));
          return body;
      }
docs: Generates something like
  <code>return P_INDEX_UPDATER.compareAndSet(this, expectedValue, newValue)</code>
  
  @param fieldUpdaterFieldName
  @param expectedValueName
  @param newValueName
  @return