export type AnnotationBox = {
    left: number;
    right: number;
    top: number;
    bottom: number;
};
export type AnnotationBadgeAnchor = {
    id: string;
    ordinal: number;
    left: number;
    top: number;
    incomplete: boolean;
};
export declare const ANNOTATION_BADGE_GAP_PX = 32;
export declare const ANNOTATION_BADGE_MIN_GAP_PX = 12;
export declare const ANNOTATION_REVIEW_DIALOG_WIDTH_PX = 400;
export declare const ANNOTATION_REVIEW_DIALOG_MAX_HEIGHT_PX: number;
export declare const ANNOTATION_REVIEW_DIALOG_MIN_HEIGHT_PX = 160;
export declare const ANNOTATION_REVIEW_DIALOG_FLOOR_HEIGHT_PX = 80;
export declare const ANNOTATION_REVIEW_MARGIN_PX = 12;
export declare const ANNOTATION_NOTE_PREVIEW_CHARS = 280;
export declare const ANNOTATION_CARD_STACK_SCROLL_AT = 4;
export declare function annotationBoxIntersects(a: AnnotationBox, b: AnnotationBox): boolean;
export declare function annotationViewportBox(viewportWidth: number, viewportHeight: number, scroller?: AnnotationBox | null): AnnotationBox;
export declare function annotationNoteNeedsDisclosure(note: string): boolean;
export declare function annotationBadgePackGap(viewport: AnnotationBox, count: number, preferred?: number): number;
export declare function layoutAnnotationBadges(anchors: readonly AnnotationBadgeAnchor[], viewport: AnnotationBox, preferredGap?: number): AnnotationBadgeAnchor[];
export declare function scrollAnnotationRowIntoList(list: HTMLElement | null | undefined, row: HTMLElement | null | undefined): void;
export declare function clampAnnotationDialogPlacement(input: {
    triggerLeft: number;
    triggerTop: number;
    triggerBottom: number;
    contentHeight: number;
    viewportWidth: number;
    viewportHeight: number;
    panelWidth?: number;
}): {
    left: number;
    top: number;
    maxHeight: number;
    above: boolean;
};