public Builder setAppendFsyncValue(int value) {
        appendFsync_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
Optional. The fsync mode.
</pre>

<code>
.google.cloud.memorystore.v1.PersistenceConfig.AOFConfig.AppendFsync append_fsync = 1 [(.google.api.field_behavior) = OPTIONAL];
</code>

@param value The enum numeric value on the wire for appendFsync to set.
@return This builder for chaining.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/PersistenceConfig.java