class type custom_completion_provider = object .. end
method name : string
method icon : GdkPixbuf.pixbuf option
method populate : source_completion_context -> unit
method matched : source_completion_context -> bool
method activation : SourceView3Enums.source_completion_activation_flags list
method info_widget : source_completion_proposal -> GObj.widget option
method update_info : source_completion_proposal ->
source_completion_info -> unit
method start_iter : source_completion_context ->
source_completion_proposal -> GText.iter -> bool
method activate_proposal : source_completion_proposal -> GText.iter -> bool
method interactive_delay : int
method priority : int