Can be adw.types.DURATION_INFINITE if the spring damping is set to 0.
SpringAnimation.estimatedDuration
uint estimatedDuration() @propertyGet estimatedDuration property.
Returns
Estimated duration of the animation, in milliseconds.
uint estimatedDuration() @propertyGet estimatedDuration property.
Can be adw.types.DURATION_INFINITE if the spring damping is set to 0.