export declare class DropdownMetadata {
    private dropdownJsonObject;
    type: string;
    key: string;
    value: string;
    value$: string;
    label: string;
    label$: string;
    hint: string;
    hint$: string;
    placeholder: string;
    placeholder$: string;
    disabled: boolean;
    disabled$: string;
    visible: boolean;
    visible$: string;
    required: boolean;
    required$: string;
    readonly: boolean;
    readonly$: string;
    tabindex: number;
    order: number;
    items: Array<any>;
    items$: string;
    labelKey: string;
    valueKey: string;
    datasource: any;
    validations: Array<any>;
    constructor(dropdownJsonObject: any);
}