Attempts to autocomplete the given text from the given position in the text.
Removes the context from the list of all contexts.
Returns any namespaces in this context who's ID starts with incomplete.
Optionalrecursive: booleanReturns any root tokens in this context who's ID starts with incomplete.
Optionalrecursive: booleanChecks if the context has a namespace.
Optionalrecursive: booleanRemoves a namespace from the context.
Removes a root token from the context.
Creates a new context.