import { Ref } from 'vue';
import { EditorCommentMark } from './editor-overlay';
import { MarkdownEditorComment, MarkdownEditorCommentReply, MarkdownEditorSelection, MarkdownEditorUser } from './types';
/**
 * Comment threads: writing, answering, resolving and deleting them, which one
 * is active, and the highlights they draw. Their ranges belong to the
 * document, which moves them with every change.
 */
export interface MarkdownCommentsOptions {
    enabled: () => boolean;
    /** Threads can be read, not changed. */
    locked: () => boolean;
    user: () => MarkdownEditorUser;
    threads: Readonly<Ref<MarkdownEditorComment[]>>;
    setThreads: (next: MarkdownEditorComment[]) => void;
    doc: () => string;
    /** The text a new comment is being written about. */
    pending: () => MarkdownEditorSelection | null;
    reveal: (pos: number) => void;
    events: {
        create: (comment: MarkdownEditorComment) => void;
        reply: (comment: MarkdownEditorComment, reply: MarkdownEditorCommentReply) => void;
        resolve: (comment: MarkdownEditorComment) => void;
        delete: (comment: MarkdownEditorComment) => void;
    };
}
export declare function useMarkdownComments(options: MarkdownCommentsOptions): {
    activeThread: Ref<string | null, string | null>;
    sidebarOpen: Ref<boolean, boolean>;
    openCount: import('vue').ComputedRef<number>;
    marks: () => EditorCommentMark[];
    create: (selection: MarkdownEditorSelection, body: string) => MarkdownEditorComment | null;
    reply: (id: string, body: string) => void;
    resolve: (id: string, resolved: boolean) => void;
    remove: (id: string) => void;
    activate: (id: string) => void;
    followCaret: (selection: MarkdownEditorSelection) => void;
    openAt: (caret: MarkdownEditorSelection) => void;
};