export interface ChatMessageSourceClasses {
  /** Styles applied to the root element. */
  root: string;
  /** Styles applied to the index badge element. */
  index: string;
  /** Styles applied to the link element. */
  link: string;
}
export type ChatMessageSourceClassKey = keyof ChatMessageSourceClasses;
export declare function getChatMessageSourceUtilityClass(slot: string): string;
export declare const chatMessageSourceClasses: ChatMessageSourceClasses;
export declare const useChatMessageSourceUtilityClasses: (classes: Partial<ChatMessageSourceClasses> | undefined) => ChatMessageSourceClasses;