import React from 'react';
import type { ThreadContext, ThreadSubject } from '../types.js';
export interface CommentTriggerProps extends ThreadContext {
    /** What to call the thing being discussed, for the thread's header. */
    subject?: ThreadSubject;
    /**
     * Called instead of opening the built-in thread view, for a host that renders the
     * thread somewhere of its own — a side panel rather than beside the content.
     */
    onOpen?: (context: ThreadContext) => void;
    /**
     * Called when the built-in thread view opens and again when it closes, for a host
     * that has to keep the trigger on screen for as long as the thread is up. Closing
     * includes another thread being opened in its place.
     */
    onOpenChange?: (open: boolean) => void;
}
/**
 * The entry point to a thread about one piece of content.
 *
 * Neutral until something has been said, then filled blue with the comment count badged
 * on its corner, so a reader can tell which blocks are already being discussed without
 * opening anything.
 *
 * Only one thread is open at a time: opening this one closes whichever was open.
 */
export declare function CommentTrigger({ contextType, contextId, threadId, commentCount, resolved, subject, onOpen, onOpenChange, }: CommentTriggerProps): React.ReactElement;