public Builder clearInstanceUid() {
      instanceUid_ = getDefaultInstance().getInstanceUid();
      bitField0_ = (bitField0_ & ~0x00000002);
      onChanged();
      return this;
    }
<pre>
Output only. The instance uid of the backup collection.
</pre>

<code>
string instance_uid = 3 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
</code>

@return This builder for chaining.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/BackupCollection.java