declare const _default: import("vue").ComponentOptions<import("vue").default, import("@vue/composition-api").ShallowUnwrapRef<{
    customElOption: import("@vue/composition-api").ComputedRef<unknown>;
    assignKeys: import("@vue/composition-api").ComputedRef<unknown>;
}> & import("@vue/composition-api").Data, {}, {}, {
    index: {
        type: import("@vue/composition-api").PropType<number>;
    };
    source: {
        type: import("@vue/composition-api").PropType<Record<string, any>>;
        default(): {};
    };
    label: {
        type: import("@vue/composition-api").PropType<string>;
        default: string;
    };
    value: {
        type: import("@vue/composition-api").PropType<string>;
        default: string;
    };
    extraProps: {
        type: import("@vue/composition-api").PropType<Record<string, any>>;
        default(): {};
    };
}, import("@vue/composition-api").ExtractPropTypes<{
    index: {
        type: import("@vue/composition-api").PropType<number>;
    };
    source: {
        type: import("@vue/composition-api").PropType<Record<string, any>>;
        default(): {};
    };
    label: {
        type: import("@vue/composition-api").PropType<string>;
        default: string;
    };
    value: {
        type: import("@vue/composition-api").PropType<string>;
        default: string;
    };
    extraProps: {
        type: import("@vue/composition-api").PropType<Record<string, any>>;
        default(): {};
    };
}>> & Omit<import("vue").VueConstructor<import("vue").default>, never> & (new (...args: any[]) => import("@vue/composition-api").ComponentRenderProxy<{
    label: string;
    value: string;
    extraProps: {};
    source: {};
} & {
    index?: number;
}, import("@vue/composition-api").ShallowUnwrapRef<{
    customElOption: import("@vue/composition-api").ComputedRef<unknown>;
    assignKeys: import("@vue/composition-api").ComputedRef<unknown>;
}>, import("@vue/composition-api").Data, {}, {}, {}, {}, {}, {
    label: string;
    value: string;
    extraProps: {};
    source: {};
} & {
    index?: number;
}, {
    label: string;
    value: string;
    extraProps: {};
    source: {};
}, true>);
export default _default;