kCGImagePropertyHEICSDelayTime
The number of seconds to wait before displaying the next image in the sequence, clamped to a minimum of 0.1 seconds.
Declaration
let kCGImagePropertyHEICSDelayTime: CFStringDiscussion
The value of this key is a CFNumber with a floating-point value. The value of this key is never less than 100 millseconds, and the system adjusts values less than that amount to 100 milliseconds, as needed. See kCGImagePropertyHEICSUnclampedDelayTime.