import React from 'react';
import VanillaPicker from 'vanilla-picker';
interface UIPickerProps {
    alpha: boolean;
    color: string;
    onChange: (data: string) => void;
}
export declare class UIPicker extends React.PureComponent<UIPickerProps> {
    pickerNode: React.RefObject<HTMLInputElement | null>;
    isFirstOnChange: boolean;
    picker: VanillaPicker;
    static defaultProps: {
        color: string;
        alpha: boolean;
    };
    constructor(props: UIPickerProps);
    componentDidMount(): void;
    componentDidUpdate(prevProps: UIPickerProps): void;
    initializePicker: (color: string, alpha: boolean) => void;
    render(): React.ReactElement;
}
export {};