/** One action's press history inside an {@link InputBuffer}. */
export interface BufferedAction {
    pressedAt: number;
    previousPressAt: number | null;
    releasedAt: number | null;
    consumed: boolean;
}
/** Serializable state for an {@link InputBuffer}. */
export interface InputBufferSnapshot {
    windowMs: number;
    actions: Record<string, BufferedAction>;
}
/** Remembers recent action presses so a press slightly early (a jump before landing) still counts. Times are caller-supplied ms, so it runs the same on a client, a host or in a replay. */
export interface InputBuffer {
    /** Record a press edge. */
    press(action: string, nowMs: number): void;
    /** Record a release edge; {@link InputBuffer.hold} stops growing. */
    release(action: string, nowMs: number): void;
    /** `true` once for a press no older than `windowMs` (default: the buffer's window), then the press is spent. */
    consume(action: string, nowMs: number, windowMs?: number): boolean;
    /** `true` while `nowMs` is within `windowMs` of `groundedAtMs` — late-jump grace after leaving a ledge. `null` never qualifies. */
    coyote(groundedAtMs: number | null, nowMs: number, windowMs: number): boolean;
    /** How long the action has been held, ms; `0` when released or never pressed. */
    hold(action: string, nowMs: number): number;
    /** `true` when the last two presses were at most `gapMs` apart and the latest is no older than `gapMs`. */
    doubleTap(action: string, nowMs: number, gapMs: number): boolean;
    /** Change the default buffer window. */
    retune(next: {
        windowMs: number;
    }): void;
    snapshot(): InputBufferSnapshot;
    restore(snapshot: InputBufferSnapshot): void;
}
/**
 * Creates an input buffer for jump buffering, coyote time, hold duration and double taps.
 * @capability input-buffer buffer early presses, coyote time, hold duration and double tap for responsive controls
 */
export declare function createInputBuffer(options: {
    windowMs: number;
}): InputBuffer;