import { OrthographicCamera } from 'three';
/**
 * Extends the OrthographicCamera to automatically resize based on a fixed width or height dimension.
 */
export declare class OrthographicCameraAuto extends OrthographicCamera {
    private _size;
    private _fixedWidth;
    private _width;
    private _height;
    /**
       * Gets or sets the fixed width or height dimension based on the 'fixedWidth' property.
       */
    get size(): number;
    set size(value: number);
    /**
       * Determines whether the 'size' property refers to the width (true) or height (false).
       */
    get fixedWidth(): boolean;
    set fixedWidth(value: boolean);
    /**
       * @param size Fixed width or height dimension based on the 'fixedWidth' property. Default `2`.
       * @param fixedWidth If true, the 'size' property will refer to the width. If not, to the height. Default `true`.
       * @param near Camera frustum near plane. Default `0.1`.
       * @param far Camera frustum far plane. Default `2000`.
       */
    constructor(size?: number, fixedWidth?: boolean, near?: number, far?: number);
    private update;
}
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