Describes the class used to support Automator actions driven by a shell script or by a Perl or Python script.

Describes the class used to represent an Automator workflow within an application.

Describes the Objective-C API for creating and working with actions used by the Automator application.

Describes a node in an atomic persistent store.

Describes a universal identifier for a managed object.

Describes the API used to monitor and debug exceptional conditions in Objective-C code.

Describes a facility for monitoring and debugging exceptional conditions.

Describes the class used to define properties of an entity in a Core Data managed object model.

Describes the C API for manipulating the locale-specific data of the battery-operated clock.

Describes a mutable unordered collection of distinct elements.

Describes the C API for creating and managing an application's menus.

Describes APIs located in various headers in /usr/include.

Describes the interface for a control to respond to requests regarding automatic enabling and disabling.

Describes the identity picker, a dialog or sheet used to select groups and people for Identity Services.

Describes the C API for presenting a user interface for opening, saving, and navigating files.

Describes a representation of logical conditions.

Deprecated - Describes the deprecated class replaced by the classes NSURLConnection and NSURLDownload.

Describes the C API for managing the backup exclusion status of files and folders.

Describes the opaque type that encapsulates information about a person in Address Book.

Describres how this superclass providies a common interface to and defines common properties for all Address Book records.

Describes the constants found in the Address Book framework.

Describes the data types and constants found in the Address Book framework.

Describes the abstract class that provides the basis for archiving.

Describes an interface for using shared code resources.

Provides information on the NKE Sustainable API in Headerdoc format.

Describes a Core Data fetch request as an expression.

Describes the Objective-C API for creating views and dialogs relating to authorization, certificates, and keychains.

Describes the class an authorization plug-in uses to display a custom view within the Apple-supplied authorization views.

Deprecated - Describes the programming interface defined by Game Sprockets. Replaced by Quartz Display Services.

Deprecated - Describes the legacy C API for performing relevance-ranked searches. Replaced by Search Kit.

Deprecated - Describes the legacy C API for drawing HTML text and images in a window. Replaced by the Web Kit.

Describes an API for opening documents, other applications, and URLs, in a way similar to the Finder or the Dock.

Describes the C API for obtaining information stored in low-memory variables.

Describes the interface for tracking versions of a file.

Describes a tree node in an object model.

Deprecated - Describes the legacy C API used to select colors for display devices limited to an 8-bit pixel depth.

Deprecated - Describes the legacy C API for reading and modifying image data stored in PICT-formatted files. Replaced by Quartz2D.

Describes the legacy C API for controlling power to the internal hardware devices of battery-powered Macintosh computers.

Deprecated - Describes the legacy C API for measuring and drawing text. Replaced by ATSUI.

Describes the API used to define Apple's desktop search technology, Spotlight.

Deprecated - Describes the deprecated technology replaced by the Multilingual Text Engine (MLTE).

Deprecated - Describes the legacy C API for transferring data to and from a URL from within an application. Replaced by CFNetwork.

Describes the C API for finding and displaying help content using Apple's HTML-based help system.

Describes a representation of a runtime error.

Describes the C API for dragging objects within the user interface.

Describes the C API for finding and accessing directories, including common Mac OS X system locations.

Describes the C API for accessing global variables and managing the operating-system queue.

Describes the C API for manipulating Pascal strings in Carbon applications.

Deprecated - Describes the C API for accessing SCSI devices in Classic Mac OS. Replaced by the I/O Kit.

Describes the C API for handling data and documents between applications, including applications from another operating system.

Describes a fetched property of an entity in a Core Data managed object model.

Describes a relationship in a Core Data schema.

Describes a representation of logical gate and comparison operations.

Describes the metadata attributes for a file.

Describes the class used to close a scriptable object or objects--typically a document or window.

Describes a mutable character string with attributes.

Describes the class used to specify an object in a collection by its position relative to another object.

Describes the class used to apply a test to compare a specified object to another object.

Describes a single item in a window's toolbar.

Describes a credential used to authenticate a URL load request.

Describes the class used to specify every object in a container that matches a defined condition.

Describes the informal protocol for populating the rollover menus of Address Book with custom items.

Describes how to handle images loaded from an asynchronous fetch from ABPerson objects.

Describes how to use these classes to represent properties that might have multiple values.

Describes how to customize the behavior of people-picker views in an application's user interface.

Describes how to specify a search query for records in the Address Book database.

Describes the C API for supporting and working with Address Book.

Describes the functions and function-like macros found in the Address Book framework.

Describes the Apple Filing Protocol commands.

Describes the data types defined in the Application Kit framework not described in individual classes.

Describes Core Foundation byte-order functions.

Describes additions to support Cocoa color information.

Dscribes the API for creating QuickTime movie import, export, and preview components.

Describes the API for QuickTime compression and decompression operations.

Describes the API for QuickTime data components.

Describes the API added to the DOMHTMLFrameElement class to facilitate communication between WebKit and the DOM API.

Describes the API added to the DOMHTMLIFrameElement class to facilitate communication between WebKit and the DOM API.

Describes the API added to the DOMHTMLObjectElement class to facilitate communication between WebKit and the DOM API.

Describes the API for QuickTime image codecs.

Describes the API for QuickTime image compression.

Describes the API for QuickTime graphics importing and exporting.

Describes the constants found in the Instant Message framework.

Describes the data types found in the Instant Message framework.

Describes the API for QuickTime movie controllers.

Describes the API for QuickTime Movie Toolkit.

Describes the class used to work with Apple event handler routines and to suspend and resume event handling.

Describes additions to the NSAppleScript class to provide syntax-highlighted script source.

Describes a class that encodes objects into an architecture-independent format.

Describes the interface for correcting a misspelled word.

Describes the interface for information about the relationships and properties of a class.

Describes the class that contains and scrolls the document view of a scroll view.

Describes the class used to clone a scriptable object or objects.

Describes additions for converting archived NXColor objects into NSColor objects.

Describes the interface for archiving.

Describes a control for entering text or selecting from a pop-up list of items.

Describes the text field that provides the user interface for NSComboBox objects.

Describes the interface for receiving data requests from an NSComboBoxCell object.