v1.18.0-preview.202408220001

Added

Changed

• Fixed an issue where models would be missing when they had no properties and a single allOf entry. #5014
• Reverts modification of responses in output openApi file when generating plugins #4945
• Expand properties types with null type for Typescript. #4993
• Added Collection, HashMap, Map, Objects, InputStream, BigDecimal to the list of reserved names for Java generation. [#5135](#5135