import { PropType, ExtractPropTypes } from 'vue';
type AnyRecordOrArray = Array<any> | Record<string, any>;
export declare const useTrackByProps: {
    trackBy: {
        type: PropType<string | number | ((item: AnyRecordOrArray) => string | number)>;
        default: string;
    };
};
export declare const useTrackBy: (props: ExtractPropTypes<typeof useTrackByProps>) => {
    getKey: (item: AnyRecordOrArray, index: number, defaultValue?: any) => any;
};
export {};