public Builder setMeta(com.alipay.sofa.jraft.entity.RaftOutter.SnapshotMeta value) {
                if (metaBuilder_ == null) {
                    if (value == null) {
                        throw new NullPointerException();
                    }
                    meta_ = value;
                    onChanged();
                } else {
                    metaBuilder_.setMessage(value);
                }
                bitField0_ |= 0x00000001;
                return this;
            }
<code>optional .jraft.SnapshotMeta meta = 1;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LocalStorageOutter.java