docs: function toStorableUnusableRecordState(unusableRecordState, unusableRecord, context) {
    if (!unusableRecordState) {
      context.warn(`Skipping save of state for unusable record, since it has no state - record (${JSON.stringify(unusableRecord)})`);
      return undefined;
    }
  
    // Convert the record's state into a safely storable object to get a clean, simplified version of its state
    const state = dynamoDBUtils.toStorableObject(unusableRecordState);
  
    // If state has no record identifier then have no way to identify the unusable record ... so attach a safely storable
    // copy of its original user record or record (if any) (without its legacy state, if any) for later matching!
    if (!hasUnusableRecordIdentifier(unusableRecordState)) {
      unusableRecord = unusableRecord || unusableRecordState.unusableRecord;
  
      if (unusableRecord) {
        // Make a storable copy of the unusable record & attach it to the storable state
        state.unusableRecord = dynamoDBUtils.toStorableObject(unusableRecord);
        // Remove the unusable record copy's LEGACY state (if any) to get back to the original unusable record
        tracking.deleteLegacyState(unusableRecord, context);
      }
      if (unusableRecordState.userRecord) {
        // Make a storable copy of the unusable record's user record & attach it to the storable state
        state.userRecord = dynamoDBUtils.toStorableObject(unusableRecordState.userRecord);
        // Remove the unusable record's user record copy's LEGACY state (if any) to get back to the original user record
        tracking.deleteLegacyState(state.userRecord, context);
      }
      else if (unusableRecordState.record) {
        // Make a storable copy of the unusable record's record & attach it to the storable state
        state.record = dynamoDBUtils.toStorableObject(unusableRecordState.record);
        // remove the unusable record's record copy's LEGACY state (if any) to get back to the original record
        tracking.deleteLegacyState(state.record, context);
      }
    }
    return state;
  }