A fixed-capacity ring buffer (Circular Buffer).
A repeating interval that invokes block every period.
A reactive key-value map.
A reactive FIFO queue.
A reactive LIFO stack.
Holds a value and a capped history of past values, supporting undo/redo.
A cancellable one-shot timer that fires block after delay.
Creates a KInterval that fires block every period.
Creates a KTimer that fires block after delay.