import type { MentionConfig, StyleConfig } from './types';
export declare function validateQuote(quoteData: any): void;
export declare function validateMentions(mentions: MentionConfig[], messageLength: number): void;
export declare function validateStyles(styles: StyleConfig[], messageLength: number): void;
export declare function isValidUrl(url: string): boolean;
export declare function validateThreadId(threadId: string): void;