```
[expression.parameter.name.shadows.field] The postcondition
EnsuresNonNull on the declaration of method 'setContentTimeline'
contains ambiguous identifier 'contentTimeline'. Use
"this.contentTimeline" for the field, or "#1" for the formal parameter.
private void setContentTimeline(Timeline contentTimeline) {
^
```
PiperOrigin-RevId: 448285571
