import { InjectionKey } from 'vue';
import { MessageContext } from '../types';
export declare const MessageContextKey: InjectionKey<MessageContext>;
/**
 * Provide message context to child components
 * @param context - Message context to provide
 */
export declare function provideMessageContext(context: MessageContext): void;
/**
 * Use message context in a child component
 * @returns Message context or throws error if not provided
 */
export declare function useMessageContext(): MessageContext;
/**
 * Use message context with optional fallback
 * @returns Message context or undefined if not provided
 */
export declare function useMessageContextOptional(): MessageContext | undefined;