export declare type ShareIntent = {
    title?: string;
    text?: string;
    url: string;
};
export declare type polyfillMode = 'auto' | 'dark' | 'light';
export declare type Theme = 'light' | 'dark';
export default class Sharer {
    private nativeSupport;
    private polyfilledSharer;
    private mode;
    constructor(mode?: polyfillMode);
    private enableTheme;
    share(toShare: ShareIntent): void;
    private polyfill;
}