import type { MentionItem } from '../../types/schemas/chat/ui.js';
import type { ChatComposerCommand } from '../../types/composer.js';
type UseMentionAutocompleteOptions = {
    editorRef: Ref<HTMLElement | null>;
    fileItems: ComputedRef<MentionItem[]>;
    skillItems: ComputedRef<MentionItem[]>;
    commandItems?: ComputedRef<readonly ChatComposerCommand[]>;
    disabled?: Ref<boolean | undefined>;
    onInsert?: () => void;
};
export declare function isMentionTriggerBoundary(textBeforeTrigger: string): boolean;
export declare function findMentionTrigger(textBeforeCursor: string): {
    trigger: '@' | '/';
    query: string;
    offset: number;
} | null;
export declare function appendAttachmentMentions(content: string, files: readonly {
    name: string;
    url: string;
}[]): string;
export declare function useMentionAutocomplete(options: UseMentionAutocompleteOptions): any;
export {};