Antのドキュメント includeまたはimportでは、次のように記載されている。 How is <import> different from <include>? The short version: Use import if you intend to override a target, otherwise use include. When using import the imported targets are available by up to two names. Their "normal" name without any prefix and potentially with a prefixed name (the value of the as attribute or the imported project's name attribute, if