public void setGradientCenterColorWidth(float gradientCenterColorWidth) {
        if (gradientCenterColorWidth <= MIN_GRADIENT_CENTER_COLOR_WIDTH_VALUE
                || MAX_GRADIENT_CENTER_COLOR_WIDTH_VALUE <= gradientCenterColorWidth) {
            throw new IllegalArgumentException(String.format("gradientCenterColorWidth value must be higher than %d and less than %d",
                    MIN_GRADIENT_CENTER_COLOR_WIDTH_VALUE, MAX_GRADIENT_CENTER_COLOR_WIDTH_VALUE));
        }

        this.gradientCenterColorWidth = gradientCenterColorWidth;
        resetIfStarted();
    }
Sets the width of the center gradient color to a value higher than 0 to less than 1.
0.99 means that the whole shimmer line will have this color with a little transparent edges.
The default value is 0.1.

@param gradientCenterColorWidth The width of the center gradient color.
imitate/src/main/java/com/engineer/imitate/ui/widget/ShimmerLayout.java