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Copyright 2012, OVH. All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
public class ToStringHelper {
	private final StringBuilder builder;
	private boolean needsSeparator;
	public ToStringHelper(String className) {
		 = new StringBuilder(32).append(className).append('{');
	public ToStringHelper add(String nameObject value) {
		return this;
	public ToStringHelper addValue(Object value) {
		return this;
	public String toString() {
		try {
			return .append('}').toString();
finally {
			return .append(", ");
else {
			 = true;
			return ;
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