export declare type HcPopoverScrollStrategy = 'noop' | 'block' | 'reposition' | 'close';
export declare const VALID_SCROLL: HcPopoverScrollStrategy[];
export declare type HcPopoverTrigger = 'click' | 'mousedown' | 'rightclick' | 'hover' | 'none';
export declare const VALID_TRIGGER: HcPopoverTrigger[];
export declare type HcPopoverHorizontalAlign = 'before' | 'start' | 'center' | 'end' | 'after' | 'mouse';
export declare const VALID_HORIZ_ALIGN: HcPopoverHorizontalAlign[];
export declare type HcPopoverVerticalAlign = 'above' | 'start' | 'center' | 'end' | 'below' | 'mouse';
export declare const VALID_VERT_ALIGN: HcPopoverVerticalAlign[];
export interface HcPopoverOpenOptions {
    /**
     * Whether the popover should return focus to the previously focused element after
     * closing. Defaults to true.
     */
    restoreFocus?: boolean;
    /** Whether the first focusable element should be focused on open. Defaults to true. */
    autoFocus?: boolean;
}