export declare const NAME = "sheet";
export declare const DATA_KEY = "bs.sheet";
export declare const EVENT_KEY = ".bs.sheet";
/**
 * Event names dispatched by BootstrapSheet
 */
export declare const EVENT: {
    /** Fired immediately when show() is called */
    SHOW: string;
    /** Fired when the sheet is fully shown */
    SHOWN: string;
    /** Fired immediately when hide() is called */
    HIDE: string;
    /** Fired when the sheet is fully hidden */
    HIDDEN: string;
    /** Fired continuously during drag/slide */
    SLIDE: string;
    /** Fired after the sheet settles at a different detent */
    DETENT_CHANGE: string;
};
/**
 * Class names used by BootstrapSheet
 */
export declare const CLASS_NAME: {
    /** Applied when sheet is visible */
    SHOW: string;
    /** Applied during show transition */
    SHOWING: string;
    /** Applied during hide transition */
    HIDING: string;
    /** Applied during drag operation */
    DRAGGING: string;
    /** Applied during spring animation */
    ANIMATING: string;
    /** Backdrop element class */
    BACKDROP: string;
};
/**
 * CSS selectors for declarative API
 */
export declare const SELECTOR: {
    /** Selector for toggle triggers */
    DATA_TOGGLE: string;
    /** Selector for dismiss triggers */
    DATA_DISMISS: string;
    /**
     * Selector for the legacy explicit drag handle
     * @deprecated since 0.4.0 - the whole sheet is draggable; removed in 0.5.0
     */
    DRAG_HANDLE: string;
    /** Selector for subtrees the sheet must not be dragged from */
    DRAG_OPT_OUT: string;
};
/**
 * Elements that own a drag gesture of their own, treated as implicit
 * `data-bs-drag="false"` zones so authors do not have to opt each one out.
 */
export declare const DRAG_OPT_OUT_SELECTOR: string;
/**
 * Distance in pixels the pointer must travel before a gesture counts as a
 * drag. Below this threshold nothing moves and clicks land normally, which is
 * what makes a fully draggable sheet compatible with interactive content.
 */
export declare const DRAG_SLOP = 8;
/**
 * How long after a content scroll a drag gesture stays disabled (ms).
 * Prevents a momentum scroll that lands at the top of the content from
 * immediately becoming a dismiss drag.
 */
export declare const SCROLL_LOCK_TIMEOUT = 100;
/**
 * Selector for all focusable elements
 */
export declare const FOCUSABLE_SELECTOR: string;
/**
 * Apple's rubber band coefficient (reverse-engineered from UIScrollView).
 * Controls overscroll resistance when dragging past boundaries.
 * @see {@link https://gist.github.com/originell/6961057}
 */
export declare const RUBBER_BAND_COEFFICIENT = 0.55;
/**
 * Apple's deceleration rate for velocity projection (UIScrollView.DecelerationRate.normal).
 * Used to project where the sheet would come to rest after release.
 */
export declare const DECELERATION_RATE = 0.998;
/**
 * Public configuration options for BootstrapSheet
 */
export interface BootstrapSheetOptions {
    /** Includes a backdrop element. Use 'static' for a backdrop that doesn't close the sheet */
    backdrop?: boolean | 'static';
    /** Closes the sheet when the Escape key is pressed */
    keyboard?: boolean;
    /** Puts focus on the sheet when shown and traps focus within it */
    focus?: boolean;
    /** Enables swipe gestures */
    gestures?: boolean;
    /**
     * Resting positions of the sheet, as fractions of its height that are
     * visible: `1` is fully open, `0.4` shows 40 %. Values are sorted and
     * deduplicated; each must be greater than 0 and at most 1.
     * @since 0.5.0
     */
    detents?: number[];
    /**
     * Detent the sheet opens at. Defaults to the smallest configured detent.
     * @since 0.5.0
     */
    initialDetent?: number | null;
    /**
     * Largest detent at which the backdrop stays transparent. At or below it
     * the sheet is non-modal: the background stays interactive, focus is not
     * trapped and an outside click does not dismiss. `null` dims proportionally
     * across the whole range.
     * @since 0.5.0
     */
    undimmedDetent?: number | null;
    /**
     * Damping ratio for spring animation.
     * - 1.0 = critically damped (no bounce, fastest convergence)
     * - 0.8 = slight overshoot (recommended for gesture-driven snaps)
     * - < 1.0 = underdamped (bouncy)
     * @since 0.2.0
     */
    springDampingRatio?: number;
    /**
     * Response time for spring animation in seconds.
     * Controls how fast the spring reaches its target (analogous to duration).
     * Converted to stiffness via: stiffness = (2π / response)²
     * @since 0.2.0
     */
    springResponse?: number;
}
/**
 * Configuration with every option resolved (defaults merged with user input)
 */
export type ResolvedSheetOptions = Required<BootstrapSheetOptions>;
/**
 * Default configuration options for BootstrapSheet
 */
export declare const Default: ResolvedSheetOptions;
/**
 * Types of configuration options for validation
 */
export declare const DefaultType: Record<keyof BootstrapSheetOptions, string>;
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