import type { TerminalLayout, TerminalMarker, TerminalRectangle, TerminalScrollbar, TerminalScrollbarConfiguration, TerminalScrollbarMarker } from "./scrollbar-types.js";
import type { TerminalViewport } from "./types.js";
export { renderDefaultScrollbar } from "./scrollbar-renderer.js";
export declare function normalizeScrollbar(input?: TerminalScrollbar): false | TerminalScrollbarConfiguration;
export declare function scrollbarOpacity(now: number, lastActivityAt: number, active: boolean, configuration: TerminalScrollbarConfiguration, reducedMotion: boolean): number;
export declare function scrollbarGeometry(layout: TerminalLayout, viewport: TerminalViewport, markers: readonly TerminalMarker[], target?: number | null): Readonly<{
    track: Readonly<{
        left: number;
        top: number;
        width: number;
        height: number;
    }>;
    thumb: Readonly<{
        left: number;
        top: number;
        width: number;
        height: number;
    }>;
    markers: readonly TerminalScrollbarMarker[];
}> | null;
export declare function scrollbarMarkerAt(markers: readonly TerminalScrollbarMarker[], x: number, y: number, track?: TerminalRectangle): TerminalMarker;
interface ScrollbarState {
    layout: TerminalLayout;
    viewport: TerminalViewport;
    markers: readonly TerminalMarker[];
    connected: boolean;
    configuration: false | TerminalScrollbarConfiguration;
}
interface ScrollbarControllerOptions {
    element: HTMLElement;
    canvas: HTMLCanvasElement;
    accessibility: HTMLDivElement;
    getState: () => ScrollbarState;
    scrollToRow: (top: number) => void;
    scrollToLive: () => void;
    scrollToMarker: (id: string) => Promise<void>;
    reportError: (error: unknown) => void;
    onMarkerHover?: (marker: TerminalScrollbarMarker | null) => void;
}
export declare class ScrollbarController {
    private readonly options;
    private context;
    private readonly listeners;
    private readonly motion;
    private configuration;
    private frameId;
    private fadeTimer;
    private disposed;
    private failed;
    private dormant;
    private near;
    private hovered;
    private focused;
    private lastActivityAt;
    private pointer;
    private dragOffset;
    private contentPointers;
    private contentClick;
    private suppressClick;
    private desired;
    private dragTop;
    private visualTop;
    private visualTarget;
    private visualFrom;
    private visualStartedAt;
    private queued;
    private requestBaseline;
    private generation;
    private wheelRemainder;
    private hoverPoint;
    constructor(options: ScrollbarControllerOptions);
    refresh(): void;
    activity(): void;
    invalidate(): void;
    cancel(): void;
    dispose(): void;
    private now;
    private updateVisualPosition;
    private geometry;
    private point;
    private hit;
    private markerAt;
    private consume;
    private pointerDown;
    private pointerMove;
    private refreshHover;
    private clearHover;
    private hoveredMarker;
    private pointerEnd;
    private endGesture;
    private wheel;
    private keyDown;
    private jump;
    private navigate;
    private schedule;
    private clear;
    private paint;
    private report;
}
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