formatHoldStates

open fun <T> formatHoldStates(@NonNull call: CallEvent, @Nullable locally: Supplier<T>, @Nullable remotely: Supplier<T>, @Nullable both: Supplier<T>, @Nullable neither: Supplier<T>, @NonNull fallback: T): T
open fun <T> formatHoldStates(@NonNull held: Call.HoldStates, @Nullable locally: Supplier<T>, @Nullable remotely: Supplier<T>, @Nullable both: Supplier<T>, @Nullable neither: Supplier<T>, @NonNull fallback: T): T