import { TextNode, type EditorConfig, type LexicalNode, type NodeKey, type SerializedTextNode, type Spread } from "lexical";
export type SerializedMentionNode = Spread<{
    userID: string;
    isAtAll: boolean;
}, SerializedTextNode>;
export declare class MentionNode extends TextNode {
    __userID: string;
    __isAtAll: boolean;
    static getType(): string;
    static clone(node: MentionNode): MentionNode;
    constructor(userID: string, isAtAll: boolean, text: string, key?: NodeKey);
    createDOM(config: EditorConfig): HTMLElement;
    static importJSON(serializedNode: SerializedMentionNode): MentionNode;
    exportJSON(): SerializedMentionNode;
    canInsertTextBefore(): boolean;
    isTextEntity(): true;
}
export declare function $createMentionNode(userID: string, isAtAll: boolean, displayText: string): MentionNode;
export declare function $isMentionNode(node: LexicalNode | null | undefined): node is MentionNode;
export declare function $getMentionedUserIDs(root: LexicalNode): Set<string>;
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