/// <summary>
/// Reads data that was previously written using <see cref="WriteData"/>
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
/// <param name="id">The internal of the feature within the project that created it.</param>
/// <param name="entity">The type of real-world object that the feature corresponds to.</param>
/// <param name="fid">The ID of the feature (may be null).</param>
static void ReadData(EditDeserializer editDeserializer, out InternalIdValue id, out IEntity entity, out FeatureId fid)
{
id = editDeserializer.ReadInternalId(DataField.Id);
entity = editDeserializer.ReadEntity(DataField.Entity);
fid = editDeserializer.ReadFeatureId();
}
