@java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      if (extensionRegistry == null) {
        throw new java.lang.NullPointerException();
      }
      try {
        boolean done = false;
        while (!done) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              done = true;
              break;
            case 10:
              {
                com.google.protobuf.MapEntry<
                        java.lang.String,
                        com.google.cloud.vmwareengine.v1.AutoscalingSettings.AutoscalingPolicy>
                    autoscalingPolicies__ =
                        input.readMessage(
                            AutoscalingPoliciesDefaultEntryHolder.defaultEntry.getParserForType(),
                            extensionRegistry);
                internalGetMutableAutoscalingPolicies()
                    .ensureBuilderMap()
                    .put(autoscalingPolicies__.getKey(), autoscalingPolicies__.getValue());
                bitField0_ |= 0x00000001;
                break;
              } // case 10
            case 16:
              {
                minClusterNodeCount_ = input.readInt32();
                bitField0_ |= 0x00000002;
                break;
              } // case 16
            case 24:
              {
                maxClusterNodeCount_ = input.readInt32();
                bitField0_ |= 0x00000004;
                break;
              } // case 24
            case 34:
              {
                input.readMessage(getCoolDownPeriodFieldBuilder().getBuilder(), extensionRegistry);
                bitField0_ |= 0x00000008;
                break;
              } // case 34
            default:
              {
                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                  done = true; // was an endgroup tag
                }
                break;
              } // default:
          } // switch (tag)
        } // while (!done)
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        throw e.unwrapIOException();
      } finally {
        onChanged();
      } // finally
      return this;
    }
<pre>
Autoscaling settings define the rules used by VMware Engine to
automatically scale-out and scale-in the clusters in a private cloud.
</pre>

Protobuf type {@code google.cloud.vmwareengine.v1.AutoscalingSettings}
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/AutoscalingSettings.java