[F] getAvailabilityMapInTimeline
function getAvailabilityMapInTimeline(   program,   type,   timeline):  | undefined| Map<TimelineMoment, Availability>;Parameters
Section titled “Parameters”| Parameter | Type | 
|---|---|
| program | Program | 
| type | Type | 
| timeline | VersioningTimeline | 
Returns
Section titled “Returns”| undefined
| Map<TimelineMoment, Availability>