public Builder setStateValue(int value) {
        state_ = value;
        bitField0_ |= 0x00000004;
        onChanged();
        return this;
      }
<pre>
Output only. Specifies the state of the AgentPool.
</pre>

<code>
.google.storagetransfer.v1.AgentPool.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>

@param value The enum numeric value on the wire for state to set.
@return This builder for chaining.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java