public Builder clearOnlyAlive() {
                bitField0_ = (bitField0_ & ~0x00000004);
                onlyAlive_ = false;
                onChanged();
                return this;
            }
<code>optional bool only_alive = 3 [default = false];</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/rpc/CliRequests.java