Class List
Here are the classes, structs, unions and interfaces with brief descriptions:

Gsv::Buffer | Buffer object for View
Gsv::Completion | Main Completion Object
Gsv::CompletionContext | CompletionContext
Gsv::CompletionInfo | Calltips object
Gsv::CompletionItem | CompletionItem
Gsv::CompletionProposal | Completion proposal object
Gsv::CompletionProvider | Completion provider interface
Gsv::CompletionWords | Words completion provider
Gsv::Gutter | Gutter object for View
Gsv::Language | Object representing a syntax highlighted language
Gsv::LanguageManager | Class which provides access to SourceLanguages
Gsv::Mark | Mark class for Buffer
Gsv::Markup | It is just a class holding markup string
Gsv::PrintCompositor | Compose a Buffer for printing
Gsv::Style | Class representing a style
Gsv::StyleScheme | Object controlling appearance of View
Gsv::StyleSchemeManager | Class providing access to SourceStyleSchemes
Gsv::UndoManager | Undo manager interface for View
Gsv::View | The view object