public Builder setFilterBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      filter_ = value;
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
<pre>
Optional. The filter request.
</pre>

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

@param value The bytes for filter to set.
@return This builder for chaining.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/ListDatacenterConnectorsRequest.java