GtkSourceCompletion API
GtkSourceCompletion — This object adds a generic popup and mechanism to add completion providers to GtkSourceView
gtksourcecompletion-provider — Provider interface
gtksourcecompletion-utils — Internal utilities
GscDocumentwordsProvider — GtkSourceCompletionProvider that complete the preiously written words in the current document.
gtksourcecompletion-trigger
GscAutocompletionTrigger
GscUserRequestTrigger