/**
 * The InterpolationMethod class provides values for the
 * <code>interpolationMethod</code> parameter in the
 * <code>Graphics.beginGradientFill()</code> and
 * <code>Graphics.lineGradientStyle()</code> methods. This parameter
 * determines the RGB space to use when rendering the gradient.
 */
export declare class InterpolationMethod {
    /**
     * Specifies that the RGB interpolation method should be used. This means
     * that the gradient is rendered with exponential sRGB(standard RGB) space.
     * The sRGB space is a W3C-endorsed standard that defines a non-linear
     * conversion between red, green, and blue component values and the actual
     * intensity of the visible component color.
     *
     * <p>For example, consider a simple linear gradient between two colors(with
     * the <code>spreadMethod</code> parameter set to
     * <code>SpreadMethod.REFLECT</code>). The different interpolation methods
     * affect the appearance as follows: </p>
     */
    static LINEAR_RGB: string;
    /**
     * Specifies that the RGB interpolation method should be used. This means
     * that the gradient is rendered with exponential sRGB(standard RGB) space.
     * The sRGB space is a W3C-endorsed standard that defines a non-linear
     * conversion between red, green, and blue component values and the actual
     * intensity of the visible component color.
     *
     * <p>For example, consider a simple linear gradient between two colors(with
     * the <code>spreadMethod</code> parameter set to
     * <code>SpreadMethod.REFLECT</code>). The different interpolation methods
     * affect the appearance as follows: </p>
     */
    static RGB: string;
}
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