message: replaceRelatedRecord should accept null
diff: @@ -103,7 +103,7 @@ export default class TransformBuilder {
  /**
  * Instantiate a new `replaceRelatedRecord` operation.
  */
  - replaceRelatedRecord(record: RecordIdentity, relationship: string, relatedRecord: RecordIdentity): ReplaceRelatedRecordOperation {
  + replaceRelatedRecord(record: RecordIdentity, relationship: string, relatedRecord: RecordIdentity | null): ReplaceRelatedRecordOperation {
  return { op: 'replaceRelatedRecord', record, relationship, relatedRecord };
  }
  }
  