public Builder clearInternalIp() {
      internalIp_ = getDefaultInstance().getInternalIp();
      bitField0_ = (bitField0_ & ~0x00000004);
      onChanged();
      return this;
    }
<pre>
The internal IP to define in the NIC.
The formats accepted are: `ephemeral` &#92; ipv4 address &#92; a named address
resource full path.
</pre>

<code>string internal_ip = 3;</code>

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