You can search for identifiers within the package.
in-package search v0.2.0
type t =
| SourceOver
| SourceIn
| SourceOut
| SourceAtop
| DestinationOver
| DestinationIn
| DestinationOut
| DestinationAtop
| Lighter
| Copy
| XOR
| Multiply
| Screen
| Overlay
| Darken
| Lighten
| ColorDodge
| ColorBurn
| HardLight
| SoftLight
| Difference
| Exclusion
| Hue
| Saturation
| Color
| Luminosity
Blending and compositing operations