=== Combined === groups: - Group 1 - Group 1: Added Group - Group 1: Added Group 2 - Group 2 - Group 3 properties: - f1 (i=9) - f2 (i=19) - f3 (i=29) Now adding new property in p1... === After adding f4 === groups: - Group 1 - Group 1: Added Group - Group 1: Added Group 2 - Group 2 - Group 3 properties: - f1 (i=9) - f4 (i=10) - f2 (i=20) - f3 (i=30) === Transaction view maintains the original index association === groups: - Group 1 - Group 1: Added Group - Group 1: Added Group 2 - Group 2 - Group 3 properties: - f1 (i=9) - f2 (i=19) - f3 (i=29) Properties changed: YES Groups changed: NO Now removing group in p1... Properties changed: YES Groups changed: YES