export interface WheelScrollState {
    accumulator: number;
    lastAt: number;
    lastEdgeDir: number;
    lastEdgeAt: number;
}
export interface WheelScrollResult {
    nextTop: number;
    dir: -1 | 0 | 1;
    lines: number;
}
export type WheelDeltaMode = "auto" | "line" | "pixel";
export interface WheelScrollOptions {
    disableAcceleration?: boolean;
}
export declare function createWheelScrollState(): WheelScrollState;
export declare function resetWheelScrollState(state: WheelScrollState): void;
export declare function applyWheelScroll(state: WheelScrollState, deltaY: number, scrollTop: number, maxTop: number, now?: number, deltaMode?: WheelDeltaMode, options?: WheelScrollOptions): WheelScrollResult;