public Builder clearManagementCidr() {
      managementCidr_ = getDefaultInstance().getManagementCidr();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
<pre>
Required. Management CIDR used by VMware management appliances.
</pre>

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

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