public Builder clearMeta() {
                if (metaBuilder_ == null) {
                    meta_ = null;
                    onChanged();
                } else {
                    metaBuilder_.clear();
                }
                bitField0_ = (bitField0_ & ~0x00000001);
                return this;
            }
<code>optional .jraft.SnapshotMeta meta = 1;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LocalStorageOutter.java