public Builder setField2(
                    String value) {
                if (value == null) {
                    throw new NullPointerException();
                }
                field2_ = value;
                bitField0_ |= 0x00000002;
                onChanged();
                return this;
            }
<code>string field2 = 2;</code>

@param value The field2 to set.
@return This builder for chaining.
wx-dump-admin/src/main/java/com/xcs/wx/protobuf/MsgProto.java