import { SbbOpenedClosedState } from '../interfaces.ts';
import { SbbElement } from './element.ts';
/**
 * Base class for overlay components.
 */
export declare abstract class SbbOpenCloseBaseElement extends SbbElement {
    static readonly events: {
        readonly beforeopen: "beforeopen";
        readonly open: "open";
        readonly beforeclose: "beforeclose";
        readonly close: "close";
    };
    /** The state of the component. */
    protected set state(state: SbbOpenedClosedState);
    protected get state(): SbbOpenedClosedState;
    private _state;
    /** Whether the element is open. */
    get isOpen(): boolean;
    constructor();
    /** Opens the component. */
    abstract open(): void;
    /** Closes the component. */
    abstract close(): void;
    /** The method which is called on escape key press. Defaults to calling close() */
    escapeStrategy(): void;
    protected dispatchBeforeOpenEvent(): boolean;
    protected dispatchOpenEvent(): boolean;
    protected dispatchBeforeCloseEvent(): boolean;
    protected dispatchCloseEvent(): boolean;
}
declare global {
    interface GlobalEventHandlersEventMap {
        beforeopen: Event;
        beforeclose: Event;
        open: Event;
        close: Event;
    }
}
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