SwiftDocCMetadataClassMetadataA directive that contains various metadata about a page.final class MetadataDiscussionThis directive acts as a container for metadata and configuration without any arguments of its own.TopicsChild Directivesclass AlternateRepresentationA directive that configures an alternate language representation of a symbol.class DocumentationExtensionDefines whether the content in a documentation extension file amends or replaces in-source documentation.class TechnologyRootConfigures an article to become a top-level page.class DisplayNameA directive that controls how the documentation-extension file overrides the symbol’s display name.class PageImageAssociates an image with a page.class PageColorA directive that specifies an accent color for a given documentation page.class CallToActionA directive that adds a prominent button or link to a page’s header.class AvailabilityA directive that specifies when a documentation page is available for a given platform.class PageKindA directive that allows you to set a page’s kind, which affects its default title heading and page icon.class SupportedLanguageA directive that controls what programming languages an article is available in.class TitleHeadingA directive for customizing the text of a page’s title heading.Instance Propertieslet originalMarkup: BlockDirectiveType Propertiesstatic let introducedVersion: String