public override TextureContent Process(TextureContent input, ContentProcessorContext context)
        {
            TextureContent texContent = base.Process(input, context);

            texContent.ConvertBitmapType(typeof(PixelBitmapContent <Color>));

            for (int face = 0; face < texContent.Faces.Count; face++)
            {
                MipmapChain mipChain = texContent.Faces[face];
                for (int mipLevel = 0; mipLevel < mipChain.Count; mipLevel++)
                {
                    PixelBitmapContent <Color> image = (PixelBitmapContent <Color>)input.Faces[face][mipLevel];
                    Color toReplace = new Color(81, 92, 164);
                    image.ReplaceColor(toReplace, Color.Yellow);
                }
            }

            return(texContent);
        }