/// <reference types="react" />
import type { ViewProps } from 'react-native';
export declare type PickerToolbarPosition = 'top' | 'bottom';
export declare type PickerOption<T = string> = {
    text?: T;
    value?: T;
    disabled?: boolean;
    children?: PickerOption[];
    [key: string]: any;
};
export declare type State<T = string> = {
    values: T[];
    options: PickerOption<T>[];
    indexs: number[];
    columns: PickerOption<T>[][];
};
export declare type PickerFieldNames = {
    text?: string;
    value?: string;
    children?: string;
};
export interface PickerCommonProps<T> extends Pick<ViewProps, 'style'> {
    /** 对象数组，配置每一列显示的数据	 */
    columns: T[] | T[][];
    /** 自定义 columns 结构中的字段	 */
    columnsFieldNames?: PickerFieldNames;
    /** 顶部栏标题	 */
    title?: React.ReactNode;
    /** 是否显示加载状态	 */
    loading?: boolean;
    /** 是否只读状态 */
    readonly?: boolean;
    /**  确认按钮文字	 */
    cancelButtonText?: React.ReactNode;
    /** 取消按钮文字	 */
    confirmButtonText?: React.ReactNode;
    /**  是否显示顶部栏	 */
    showToolbar?: boolean;
    /** 单列选择时，默认选中项的索引	 */
    defaultIndex?: number;
    /** 选项高度，支持 px vw vh rem 单位，默认 px	 */
    itemHeight?: number;
    /** 可见的选项个数	 */
    visibleItemCount?: number;
    /** 顶部栏位置，可选值为 bottom	 */
    toolbarPosition?: PickerToolbarPosition;
    /** 自定义整个顶部栏的内容	 */
    toolbar?: React.ReactNode;
    /** 自定义选项上方内容	 */
    columnsTop?: React.ReactNode;
    /** 自定义选项下方内容	 */
    columnsBottom?: React.ReactNode;
    /** 自定义确认按钮内容	 */
    optionRender?: (option: T) => React.ReactNode;
}
export interface PickerSingleProps<V = string, T = PickerOption<V>> extends PickerCommonProps<T> {
    value?: V;
    /** 选项改变时触发	 */
    onChange?: (value: V, options: T, index: number) => void;
    /** 点击完成按钮时触发	 */
    onConfirm?: (value: V, options: T) => void;
    /** 点击取消按钮时触发	 */
    onCancel?: (value: V, options: T) => void;
}
export interface PickerMultipleProps<V = string, T = PickerOption<V>> extends PickerCommonProps<T> {
    value?: V[];
    /** 选项改变时触发	 */
    onChange?: (value: V[], options: T[], index: number) => void;
    /** 点击完成按钮时触发	 */
    onConfirm?: (value: V[], options: T[]) => void;
    /** 点击取消按钮时触发	 */
    onCancel?: (value: V[], options: T[]) => void;
}
export declare type PickerProps<V = string, T = PickerOption> = PickerSingleProps<V, T> | PickerMultipleProps<V, T>;
export interface PickerColumnProps {
    index: number;
    textKey: string;
    itemHeight: number;
    wrapHeight: number;
    readonly?: boolean;
    options?: PickerOption[];
    optionRender?: (option: PickerOption) => React.ReactNode;
    onChange?: (index: number) => void;
}