public Builder clearDestinationPorts() {
      destinationPorts_ = com.google.protobuf.LazyStringArrayList.emptyList();
      bitField0_ = (bitField0_ & ~0x00000400);
      ;
      onChanged();
      return this;
    }
<pre>
A list of destination ports to which the external access rule applies. This
field is only applicable for the UDP or TCP protocol.
Each entry must be either an integer or a range. For example: `["22"]`,
`["80","443"]`, or `["12345-12349"]`. To match all destination ports,
specify `["0-65535"]`.
</pre>

<code>repeated string destination_ports = 12;</code>

@return This builder for chaining.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/ExternalAccessRule.java