export type SymbolCategoryKey = 'emoji' | 'letter' | 'number' | 'math' | 'arrow' | 'graph';
export type EmojiTypeKey = 'expression' | 'action' | 'faunaFlora' | 'food' | 'travel' | 'activity' | 'objects' | 'symbols';
export declare const SYMBOL_CATEGORY_KEYS: readonly SymbolCategoryKey[];
export declare const EMOJI_TYPE_KEYS: readonly EmojiTypeKey[];
export declare const EMOJI_TYPE_ICONS: Record<EmojiTypeKey, string>;
export declare const getCachedSymbolItems: (category: SymbolCategoryKey, emojiType?: EmojiTypeKey) => string[] | undefined;
export declare const loadSymbolItems: (category: SymbolCategoryKey, emojiType?: EmojiTypeKey) => Promise<string[]>;
export declare const prefetchSymbolItems: (category: SymbolCategoryKey, emojiType?: EmojiTypeKey) => void;