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

[detail level 1234]

▼Nunity
▼Nscopes
▼Nqt
CHttpAsyncReader	Class that downloads http files asynchronously
CJsonAsyncReader	Class that downloads http JSON files asynchronously
CJsonReader	Class that downloads http JSON files synchronously
CQActionMetadata	Metadata passed to scopes for preview and activation
CQCannedQuery	Parameters of a search query
CQCategorisedResult	A result, including the category it belongs to
CQCategory	A set of related results returned by a scope and displayed within a single pane in the Unity dash
CQColumnLayout	Represents a column layout
CQDepartment	A department with optional sub-departments
CQPreviewQueryBase	Abstract base class to represent a particular preview
CQPreviewQueryBaseAPI	Abstract base class to represent a particular preview
CQPreviewReply	Allows the results of a preview to be sent to the preview requester
CQPreviewWidget	Widget used in Preview
CQResult	The attributes of a result returned by a Scope
CQScopeBase	Base class for a scope implementation
CQScopeBaseAPI
CQSearchMetadata	Metadata passed with search requests
CQSearchQueryBase	Abstract base class to represent a particular query
CQSearchQueryBaseAPI	Abstract base class to represent a particular query
CQSearchReply	Allows the results of a search query to be sent to the query source
CQVariantBuilder	Helper class for creating and populating QVariant containers
CXmlAsyncReader	Class that downloads http XML files asynchronously
CXmlReader	Class that downloads http XML files synchronously