Interface EncodingSpec

interface EncodingSpec {
    edge: {
        color?: ChannelEncoding<ColorScale>;
        label?: { driver: string };
        width?: ChannelEncoding<SizeScale>;
    };
    node: {
        color?: ChannelEncoding<ColorScale>;
        icon?: ChannelEncoding<IconScale>;
        label?: ChannelEncoding<FixedScale<string>> | { driver: string };
        shape?: ChannelEncoding<ShapeScale>;
        size?: ChannelEncoding<SizeScale>;
    };
    version: 1;
}