export type SliderValue = number | [number, number];
export type SliderOrientation = 'horizontal' | 'vertical';
export type SliderThumb = 'single' | 'lo' | 'hi';
export type SliderPoint = {
    x: number;
    y: number;
};
/** Reactive inputs are passed as getters so the core tracks live prop changes. */
export type SliderConfig = {
    value: () => SliderValue;
    onChange?: (value: SliderValue) => void;
    min?: () => number;
    max?: () => number;
    step?: () => number;
    range?: () => boolean;
    orientation?: () => SliderOrientation;
    disabled?: () => boolean;
    ariaLabel?: () => string | undefined;
    /** Right-to-left: mirrors horizontal pointer + Left/Right key direction. */
    rtl?: () => boolean;
    id?: () => string | undefined;
    invalid?: () => boolean | undefined;
    required?: () => boolean | undefined;
    error?: () => string | undefined;
    hint?: () => string | undefined;
};
export declare function createSlider(config: SliderConfig): {
    readonly value: SliderValue;
    readonly lo: number;
    readonly hi: number;
    /** Thumb currently being dragged, or null. */
    readonly dragging: SliderThumb | null;
    percentOf: (v: number) => number;
    clampStep: (v: number) => number;
    valueFromPointer: (pos: SliderPoint, rect: DOMRect) => number;
    pointerDown: (pos: SliderPoint, rect: DOMRect) => void;
    setFromPointer: (pos: SliderPoint, rect: DOMRect) => void;
    endDrag: () => void;
    step: (which: SliderThumb, delta: number) => void;
    /** Spread onto the track container (static a11y/data hooks). */
    trackProps: () => {
        'data-orientation': string;
    };
    /** Spread onto the thumb at index `i` (0 = single/low, 1 = high). */
    thumbProps: (i: number) => {
        role: "slider";
        tabindex: number;
        'aria-valuemin': number;
        'aria-valuemax': number;
        'aria-valuenow': number;
        'aria-label': string;
        'aria-orientation': SliderOrientation;
        'aria-disabled': true | undefined;
        'aria-invalid': "true" | undefined;
        'aria-required': "true" | undefined;
        'aria-describedby': string | undefined;
        onkeydown: (e: KeyboardEvent) => void;
    };
};
export type Slider = ReturnType<typeof createSlider>;