public Builder setTargetEngineVersionBytes(com.google.protobuf.ByteString value) {
          if (value == null) {
            throw new NullPointerException();
          }
          checkByteStringIsUtf8(value);
          targetEngineVersion_ = value;
          bitField0_ |= 0x00000004;
          onChanged();
          return this;
        }
<pre>
Output only. Target engine version for the instance.
</pre>

<code>
optional string target_engine_version = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>

@param value The bytes for targetEngineVersion to set.
@return This builder for chaining.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/Instance.java