import { PerspectiveCamera } from 'three';
/**
 * Extends the PerspectiveCamera to automatically adjust its aspect ratio on renderer resize.
 */
export declare class PerspectiveCameraAuto extends PerspectiveCamera {
    /**
       * @param fov Camera frustum vertical field of view in degrees. Default `50`.
       * @param near Camera frustum near plane distance. Default `0.1`.
       * @param far Camera frustum far plane distance. Default `2000`.
       */
    constructor(fov?: number, near?: number, far?: number);
}
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