export declare const DropdownSchema: {
    type: any;
    key: any;
    value: any;
    value$: any;
    label: any;
    label$: any;
    hint: any;
    hint$: any;
    placeholder: any;
    placeholder$: any;
    disabled: any;
    disabled$: any;
    visible: any;
    visible$: any;
    required: any;
    required$: any;
    readonly: any;
    readonly$: any;
    tabindex: any;
    order: any;
    items: any;
    items$: any;
    labelKey: any;
    valueKey: any;
    datasource: any;
    validations: any;
};