export interface ChatMessageClasses {
  /** Styles applied to the message root element. */
  root: string;
  /** Styles applied to the message avatar element. */
  avatar: string;
  /** Styles applied to the message author label element. */
  authorLabel: string;
  /** Styles applied to the message content element. */
  content: string;
  /** Styles applied to the message bubble element inside content. */
  bubble: string;
  /** Styles applied to the message meta element. */
  meta: string;
  /** Styles applied to the message actions element. */
  actions: string;
  /** Styles applied to the message group element. */
  group: string;
  /** Class applied to the group author name element. */
  groupAuthorName: string;
  /** Class applied to the group timestamp element (compact variant only). */
  groupTimestamp: string;
  /** Styles applied to the inline meta spacer element (default variant). */
  inlineMetaSpacer: string;
  /** Styles applied to the inline meta container element (default variant). */
  inlineMeta: string;
  /** Styles applied to the date divider element. */
  dateDivider: string;
  /** Styles applied to the horizontal rule on each side of the date divider label. */
  dateDividerLine: string;
  /** Styles applied to the formatted day label inside the date divider. */
  dateDividerLabel: string;
  /** Applied when the message role is 'user' */
  roleUser: string;
  /** Applied when the message role is 'assistant' */
  roleAssistant: string;
  /** Applied while the message is streaming */
  streaming: string;
  /** Applied when the message has an error status */
  error: string;
  /** Applied when the avatar slot is hidden (`slots.avatar: null`) so the grid drops the avatar track. */
  noAvatar: string;
}
export type ChatMessageClassKey = keyof ChatMessageClasses;
export declare function getChatMessageUtilityClass(slot: string): string;
export declare const chatMessageClasses: ChatMessageClasses;
export declare const useChatMessageUtilityClasses: (classes: Partial<ChatMessageClasses> | undefined) => ChatMessageClasses;