import { CssLength } from '@breadstone/mosaik-themes';
import { type ISlottable } from '../../../Behaviors/Slottable';
import { OverlayElement } from '../Abstracts/OverlayElement';
import { ISheetElementProps } from './ISheetElementProps';
declare const SheetElement_base: (abstract new (...args: Array<any>) => import("../../../Behaviors/Themeable").IThemeableProps) & (abstract new (...args: Array<any>) => import("../../../Behaviors/Slottable").ISlottableProps & ISlottable) & typeof OverlayElement & import("../../../Behaviors/Themeable").IThemeableCtor;
/**
 * Sheet - A bottom-sheet overlay element that slides up from the bottom of the viewport.
 * Supports drag gestures for opening, closing, and partial states.
 *
 * @slot header - The header slot for `SheetHeaderElement`.
 * @slot content - The content slot for `SheetContentElement`.
 * @slot footer - The footer slot for `SheetFooterElement`.
 *
 * @public
 */
export declare class SheetElement extends SheetElement_base implements ISheetElementProps, ISlottable {
    private readonly _bounceOffset;
    private _height;
    private _dragOffset;
    private _positionY;
    private _isPartial;
    private _mouseDownSubscription;
    private _touchStartSubscription;
    private _mouseUpSubscription;
    private _touchEndSubscription;
    private _mouseMoveSubscription;
    private _touchMoveSubscription;
    private _clickSubscription;
    /**
     * @public
     */
    constructor();
    /**
     * Returns the `{@link is}` property.
     * The `{@link is}` property represents natural name of this element.
     *
     * @public
     * @static
     * @readonly
     */
    static get is(): string;
    /**
     * Gets or sets the `height` property.
     *
     * @public
     * @attr
     */
    get height(): CssLength;
    set height(value: CssLength);
    /**
     * Opens the `SheetElement`.
     *
     * @public
     * @override
     */
    open(): Promise<void>;
    /**
     * Closes the `SheetElement`.
     *
     * @public
     * @override
     */
    close(): Promise<boolean>;
    /**
     * Sets the sheet to a partial (peek) state, showing only the heading area.
     *
     * @public
     */
    partial(): void;
    /**
     * Toggles between open and partial states.
     *
     * @public
     */
    toggle(): Promise<void>;
    /**
     * @protected
     * @override
     */
    protected onApplyTemplate(): void;
    /**
     * Handles the backdrop click event.
     * Only closes the sheet if `clickOutsideToClose` is enabled.
     *
     * @public
     * @template
     */
    onBackdrop(): void;
    /**
     * @private
     */
    private dragMouseDown;
    /**
     * @private
     */
    private dragMouseUp;
    /**
     * @private
     */
    private dragMouseMove;
    /**
     * @private
     */
    private moveDragElement;
    /**
     * @private
     */
    private getYCoord;
}
/**
 * @public
 */
export declare namespace SheetElement {
    type Props = ISheetElementProps;
}
/**
 * @public
 */
declare global {
    interface HTMLElementTagNameMap {
        'mosaik-sheet': SheetElement;
    }
}
export {};
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