export interface ChatMessageSourcesClasses {
  /** Styles applied to the root element. */
  root: string;
  /** Styles applied to the label element. */
  label: string;
  /** Styles applied to the list element. */
  list: string;
}
export type ChatMessageSourcesClassKey = keyof ChatMessageSourcesClasses;
export declare function getChatMessageSourcesUtilityClass(slot: string): string;
export declare const chatMessageSourcesClasses: ChatMessageSourcesClasses;
export declare const useChatMessageSourcesUtilityClasses: (classes: Partial<ChatMessageSourcesClasses> | undefined) => ChatMessageSourcesClasses;