* @param key key to associate with values in the collection
   * @return an empty collection of values
   */
  Collection<V> createCollection(@ParametricNullness K key) {
    return createCollection();
  }

  Map<K, Collection<V>> backingMap() {
    return map;
  }

  // Query Operations

  @Override
  public int size() {
    return totalSize;
  }

  @Override

   * @throws NullPointerException if any element in the stream is {@code null}.
   * @return {@code Optional.of(onlyElement)} if the stream has exactly one element (must not be
   *     {@code null}) and returns {@code Optional.empty()} if it has none.
   */
  @SuppressWarnings("unchecked")
  public static <T> Collector<T, ?, Optional<T>> toOptional() {
    return (Collector) TO_OPTIONAL;
  }

    int exponent = getExponent(d);
    long bits = doubleToRawLongBits(d);
    bits &= SIGNIFICAND_MASK;
    return (exponent == MIN_EXPONENT - 1) ? bits << 1 : bits | IMPLICIT_BIT;
  }

  static boolean isFinite(double d) {
    return getExponent(d) <= MAX_EXPONENT;
  }

  static boolean isNormal(double d) {
    return getExponent(d) >= MIN_EXPONENT;
  }

  /*

    protected FileEntry[] getResults() {
        final FileEntry[] results = this.response.getResults();
        if (results == null) {
            return new FileEntry[0];
        }
        return results;
    }

    /**
     * Opens a directory for enumeration
     *
     * @return the opened directory file entry
     * @throws CIFSException if an error occurs opening the directory
     */
    @SuppressWarnings("resource")

			t.Errorf("ReadFile(%s) error=%v", path, err2)
			return
		}
	}
	if err != zt.Error {
		t.Errorf("error=%v, want %v", err, zt.Error)
		return
	}

	// bail if file is not zip
	if err == ErrFormat {
		return
	}

	// bail here if no Files expected to be tested
	// (there may actually be files in the zip, but we don't care)
	if zt.File == nil {
		return
	}

	if z.Comment != zt.Comment {

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "job_log";
    }

    @Override
    public String xgetAliasName() {
        return "job_log";
    }

    // ===================================================================================

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "elevate_word";
    }

    @Override
    public String xgetAliasName() {
        return "elevate_word";
    }

    // ===================================================================================

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "bad_word";
    }

    @Override
    public String xgetAliasName() {
        return "bad_word";
    }

    // ===================================================================================

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "boost_document_rule";
    }

    @Override
    public String xgetAliasName() {
        return "boost_document_rule";
    }

    // ===================================================================================

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "request_header";
    }

    @Override
    public String xgetAliasName() {
        return "request_header";
    }

    // ===================================================================================