interface AutosizerElement extends HTMLTextAreaElement {
    autosizer?: Autosizer;
}
declare type Options = {
    viewportMargin: number | null;
    follow: boolean;
    triggers: string[];
};
declare class Autosizer {
    el: AutosizerElement;
    private options;
    private isUserResized;
    private height;
    private x;
    private y;
    constructor(el: HTMLTextAreaElement, options?: Partial<Options>);
    private initListeners;
    private onTrigger;
    private onResize;
    private onReset;
    private getOverflowOffset;
    resize(): void;
    destroy(): void;
}
export default Autosizer;
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