import type { PropType } from 'vue';
export type Size = 'xs' | 'sm' | 'md' | 'lg' | 'xl';
export declare const useCommon: {
    (): void;
    props(): {
        readonly size: {
            readonly type: PropType<Size>;
            readonly default: "md";
            readonly validator: (value: string) => boolean;
        };
    };
    validators(): {
        size: string[];
    };
};