import { ReelPhase } from './ReelPhase.js';
import { SpinningMode } from '../modes/SpinningMode.js';
export interface StartPhaseConfig {
    /** Spinning mode to set on enter. */
    spinningMode: SpinningMode;
    /** Delay before this reel starts (for staggered start). */
    delay?: number;
}
/**
 * Accelerates the reel from rest to full spin speed.
 *
 * Optionally performs a brief step-back (reel reverses a tiny amount) before
 * accelerating upward, giving the classic slot machine "pull" feel.
 */
export declare class StartPhase extends ReelPhase<StartPhaseConfig> {
    readonly name = "start";
    readonly skippable = true;
    private _tween;
    private _delayedCall;
    protected onEnter(config: StartPhaseConfig): void;
    private _launch;
    update(_deltaMs: number): void;
    protected onSkip(): void;
    private _kill;
}
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