@JvmStatic fun get(clazz: Class<*>): ClassName
@JvmStatic fun get(clazz: KClass<*>): ClassName
@JvmStatic fun get(packageName: String, simpleName: String, vararg simpleNames: String): ClassName
Returns a class name created from the given parts. For example, calling this with package name
"java.util" and simple names "Map", "Entry" yields Map.Entry.
@JvmStatic fun get(element: TypeElement): ClassName
Returns the class name for element.