import { Editor } from '@tiptap/react';
import { FloatingLayoutInvalidationFlag, FloatingCardLayoutInput } from './comment-floating-layout';
import { CommentFloatingCard } from './context/types';

export type AnchorType = 'draft' | 'thread' | 'suggestion-draft';
export interface CachedAnchorRect {
    top: number;
    height: number;
    scrollTop: number;
    containerTop: number;
}
export interface AnchorRecord {
    floatingCardId: string;
    anchorId: string;
    anchorType: AnchorType;
    elements: HTMLElement[];
    pmPos: number | null;
    anchorVersion: number;
    cachedRect: CachedAnchorRect | null;
    lastSeenEditorRoot: HTMLElement | null;
    missingSinceDocVersion: number | null;
    missingSinceCycle: number | null;
}
export interface FloatingCardRuntimeState {
    floatingCardId: string;
    anchorPosition: number | null;
    anchorVersion: number;
    anchorTop: number | null;
    anchorHeight: number;
    height: number;
    isMeasured: boolean;
    isInViewport: boolean;
    translateY: number | null;
    lastCommittedTranslateY: number | null;
    lastCommittedVisible: boolean;
    needsTransformSync: boolean;
    invalidationFlags: FloatingLayoutInvalidationFlag;
}
export declare const FLOATING_VIEWPORT_BUFFER_MULTIPLIER = 1;
export declare const getAnchorIdentity: (floatingCard: CommentFloatingCard) => {
    anchorId: string;
    anchorType: "draft";
} | {
    anchorId: string;
    anchorType: "suggestion-draft";
} | {
    anchorId: string;
    anchorType: "thread";
};
export declare const getAnchorElements: ({ editorRoot, anchorId, anchorType, }: {
    editorRoot: HTMLElement;
    anchorId: string;
    anchorType: AnchorType;
}) => HTMLElement[];
export declare const getAnchorStartPos: (editor: Editor, elements: HTMLElement[]) => null;
export declare const getEditorRoot: (editor: Editor) => HTMLElement | null;
export declare const areAnchorElementsEqual: (previousElements: HTMLElement[], nextElements: HTMLElement[]) => boolean;
export declare const isAnchorEntryValid: (entry: AnchorRecord, editorRoot: HTMLElement) => boolean;
export declare const getCachedAnchorRect: ({ cachedRect, scrollTop, containerTop, }: {
    cachedRect: CachedAnchorRect;
    scrollTop: number;
    containerTop: number;
}) => {
    top: number;
    height: number;
};
export declare const getRect: ({ elements, viewportTop, viewportBottom, }: {
    elements: HTMLElement[];
    viewportTop: number;
    viewportBottom: number;
}) => {
    top: number;
    height: number;
    intersectsViewport: boolean;
} | null;
export declare const reconcileOrderedFloatingCardIds: ({ previousOrderedFloatingCardIds, nextFloatingCards, getPos, }: {
    previousOrderedFloatingCardIds: string[];
    nextFloatingCards: CommentFloatingCard[];
    getPos: (floatingCardId: string) => number | null;
}) => {
    orderedFloatingCardIds: string[];
    firstChangedIndex: number | null;
};
export declare const areFloatingCardIdListsEqual: (a: string[], b: string[]) => boolean;
export declare const toFloatingCardLayoutInput: (floatingCardState: FloatingCardRuntimeState) => FloatingCardLayoutInput;