export declare type PickerOptionType = 'cascade' | 'multiple' | 'single';
export declare type PickerValue = string | number;
/** 单列选择 */
export declare type PickerOption = {
    value: PickerValue;
    label: PickerValue;
    disabled?: boolean;
    [key: string]: any;
};
export declare type PickerOptionMultipleWidthDefaultValue = {
    defaultValue?: PickerValue;
    options: PickerOption[];
};
/** 多列选择 */
export declare type PickerOptionMultiple = PickerOptionMultipleWidthDefaultValue | PickerOption[];
/** 联级选择 */
export declare type PickerOptionCascade = PickerOption & {
    children?: PickerOptionCascade[];
    [key: string]: any;
};
export declare type Column = PickerOption | PickerOptionMultiple | PickerOptionCascade;
export interface PickerViewProps {
    value?: PickerValue[];
    defaultValue?: PickerValue[];
    /**
     * 对象数组，配置每一列显示的数据
     */
    columns: Column[];
    /**
     * 是否显示加载状态
     * @default false
     */
    loading?: boolean;
    /**
     * 选项高度
     * @default 50
     */
    itemHeight?: number;
    /**
     * 可见的选项个数
     * @default 5
     */
    visibleItemCount?: number;
    /**
     * 选项改变时触发
     */
    onChange?: (values: PickerValue[], options: Column[]) => void;
}
export interface PickerViewColumnProps {
    /**
     * 选项高度
     */
    itemHeight: number;
    /**
     * 选项
     */
    options: PickerOption[];
    /**
     * 当前值
     */
    value?: PickerValue;
    /**
     * 可见的选项个数
     */
    visibleItemCount?: number;
    /**
     * 当值变化的时候
     */
    onChange?: (v: PickerOption) => void;
}