public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        displayName_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
Optional. display_name is an optional field for users to identify CIDR
blocks.
</pre>

<code>string display_name = 1 [(.google.api.field_behavior) = OPTIONAL];</code>

@param value The bytes for displayName to set.
@return This builder for chaining.
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/MasterAuthorizedNetworksConfig.java