| Availability | Replacement | |
|---|---|---|
| From | Available | none | 
| To | Deprecated | CMTimebaseCreateWithSourceClock | 
| Availability | Replacement | |
|---|---|---|
| From | Available | none | 
| To | Deprecated | CMTimebaseCreateWithSourceTimebase | 
| Availability | Replacement | |
|---|---|---|
| From | Available | none | 
| To | Deprecated | CMTimebaseCopySourceTimebase | 
| Availability | Replacement | |
|---|---|---|
| From | Available | none | 
| To | Deprecated | CMTimebaseCopySourceClock | 
| Availability | Replacement | |
|---|---|---|
| From | Available | none | 
| To | Deprecated | CMTimebaseCopySource | 
| Availability | Replacement | |
|---|---|---|
| From | Available | none | 
| To | Deprecated | CMTimebaseCopyUltimateSourceClock | 
| Availability | Replacement | |
|---|---|---|
| From | Available | none | 
| To | Deprecated | CMTimebaseSetSourceClock | 
| Availability | Replacement | |
|---|---|---|
| From | Available | none | 
| To | Deprecated | CMTimebaseSetSourceTimebase |