import { InjectionKey } from 'vue';
export declare function formItemTheme(): {
    ns: {
        b: () => string;
        is: (name: import('../../types').MaybeRef<string>, state?: import('../../types').MaybeRef<boolean>) => string;
        m: (type: import('../../types').MaybeRef<string>, modifier?: import('../../types').MaybeRef<string | undefined>) => string | undefined;
        vv: (...args: (string | number)[]) => string;
        vn: (...args: (string | number)[]) => string;
        vb: (...args: (string | number)[]) => string;
        v: (...args: (string | number)[]) => string;
    };
    hashId: string;
};
export declare const formItemInjectionKey: InjectionKey<ReturnType<typeof formItemTheme>>;