/**
 * The "what do I land on" queue for one reel.
 *
 * When a reel enters its stop phase, the `SpinController` loads the
 * target frame (the exact list of symbol ids that should appear on
 * screen, top-to-bottom, including the off-screen buffers). As the reel
 * keeps scrolling downward during deceleration, every `ReelMotion` wrap
 * event asks this sequencer for the next symbol. and it hands them back
 * from the END of the frame first, because new symbols arrive at the
 * top of a reel scrolling downward.
 *
 * After the last symbol is consumed the reel lands, and what you see on
 * screen matches the loaded frame exactly.
 */
export declare class StopSequencer {
    private _frame;
    private _remaining;
    /** Load a target frame in top-to-bottom order. */
    setFrame(frame: string[]): void;
    /** Deliver the next symbol (consumed from the end of the frame). */
    next(): string;
    get hasRemaining(): boolean;
    get remaining(): number;
    reset(): void;
}
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