type (rendering backend) to request when using OpenGL ES and EGL via <a href="https://chromium.googlesource.com/angle/angle/">ANGLE</a>. If the requested platform type is unavailable, ANGLE will use its default. Possible values are one of <code>GLFW_ANGLE_PLATFORM_TYPE_NONE</code>, <code>GLFW_ANGLE_PLATFORM_TYPE_OPENGL</code>, <code>GLFW_ANGLE_PLATFORM_TYPE_OPENGLES</code>, <code>GLFW_ANGLE_PLATFORM_TYPE_D3D9</code>, <code>GLFW_ANGLE_PLATFORM_TYPE_D3D11</code>, <code>GLFW_ANGLE_PLATFORM_TYPE_VULKAN</code> a