You can search for identifiers within the package.
in-package search v0.2.0
type t = string
val framebuffer_acceleration : t
SDL_HINT_FRAMEBUFFER_ACCELERATION
val idle_timer_disabled : t
SDL_HINT_IDLE_TIMER_DISABLED
val orientations : t
SDL_HINT_ORIENTATIONS
val render_driver : t
SDL_HINT_RENDER_DRIVER
val render_opengl_shaders : t
SDL_HINT_RENDER_OPENGL_SHADERS
val render_scale_quality : t
SDL_HINT_RENDER_SCALE_QUALITY
val render_vsync : t
SDL_HINT_RENDER_VSYNC
type priority
SDL_HintPriority
val default : priority
val normal : priority
val override : priority