Swift: QLDoc.

swift/ql/lib/codeql/swift/elements/decl/ConstructorDecl.qll

@@ -1,4 +1,7 @@
 private import codeql.swift.generated.decl.ConstructorDecl
 private import codeql.swift.elements.decl.MethodDecl
 
+/**
+ * An initializer of a class, struct, enum or protocol.
+ */
 class ConstructorDecl extends Generated::ConstructorDecl, MethodDecl { }

swift/ql/lib/codeql/swift/elements/decl/DestructorDecl.qll

@@ -1,4 +1,7 @@
 private import codeql.swift.generated.decl.DestructorDecl
 private import codeql.swift.elements.decl.MethodDecl
 
+/**
+ * A deinitializer of a class.
+ */
 class DestructorDecl extends Generated::DestructorDecl, MethodDecl { }