BlendMode: "PASS_THROUGH" | "NORMAL" | "DARKEN" | "MULTIPLY" | "LINEAR_BURN" | "COLOR_BURN" | "LIGHTEN" | "SCREEN" | "LINEAR_DODGE" | "COLOR_DODGE" | "OVERLAY" | "SOFT_LIGHT" | "HARD_LIGHT" | "DIFFERENCE" | "EXCLUSION" | "HUE" | "SATURATION" | "COLOR" | "LUMINOSITY"