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