`sig
val install_cont :
quiet:bool ->
warning:bool ->
update_config:bool ->
OpamTypes.switch ->
OpamTypes.compiler -> OpamTypes.switch * (unit -> unit)
val install :
quiet:bool ->
warning:bool ->
update_config:bool -> OpamTypes.switch -> OpamTypes.compiler -> unit
val import : OpamTypes.filename option -> unit
val export : OpamTypes.filename option -> unit
val remove : OpamTypes.switch -> unit
val switch_cont :
quiet:bool ->
warning:bool -> OpamTypes.switch -> OpamTypes.switch * (unit -> unit)
val switch : quiet:bool -> warning:bool -> OpamTypes.switch -> unit
val reinstall : OpamTypes.switch -> unit
val show : unit -> unit
val list : print_short:bool -> installed:bool -> all:bool -> unit
end`