Main entrypoint to generate a document for a specific Documentable
namespace Facebook\HHAPIDoc;
final class DocumentationBuilder {...}
->__construct(DocumentationBuilderContext $context)->getDocumentation(Documentable $documentable): string->getContext(): DocumentationBuilderContext->getDocumentationBody(Documentable $documentable): string->getPageSections(): keyset<classname<PageSections\PageSection>>PageSection subclasses to include in the document->wrapHTMLBody(Documentable $what, string $body): string