public Builder setTpuTopologyBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      tpuTopology_ = value;
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
<pre>
Immutable. The topology of the TPUs. Corresponds to the TPU topologies
available from GKE. (Example: tpu_topology: "2x2x1").
</pre>

<code>string tpu_topology = 4 [(.google.api.field_behavior) = IMMUTABLE];</code>

@param value The bytes for tpuTopology to set.
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/MachineSpec.java