/**
 * item component, we need to know their size change at any time
 */
export declare const FVirtualListItem: import("vue").DefineComponent<import("vue").ExtractPropTypes<{
    readonly index: {
        readonly type: NumberConstructor;
    };
    readonly horizontal: {
        readonly type: BooleanConstructor;
    };
    readonly source: {
        readonly type: import("vue").PropType<any>;
    };
    readonly uniqueKey: {
        readonly type: import("vue").PropType<string | number>;
    };
    readonly observeResize: {
        readonly type: BooleanConstructor;
        readonly default: true;
    };
}>, {
    itemRef: import("vue").Ref<any, any>;
}, {}, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {}, string, import("vue").PublicProps, Readonly<import("vue").ExtractPropTypes<{
    readonly index: {
        readonly type: NumberConstructor;
    };
    readonly horizontal: {
        readonly type: BooleanConstructor;
    };
    readonly source: {
        readonly type: import("vue").PropType<any>;
    };
    readonly uniqueKey: {
        readonly type: import("vue").PropType<string | number>;
    };
    readonly observeResize: {
        readonly type: BooleanConstructor;
        readonly default: true;
    };
}>> & Readonly<{}>, {
    readonly horizontal: boolean;
    readonly observeResize: boolean;
}, {}, {}, {}, string, import("vue").ComponentProvideOptions, true, {}, any>;
