.details("A version was not set or explicitly declared as not wanted")
                    .solution("Call `.version()` to give the alias a version")
                    .solution("Call `.withoutVersion()` to explicitly declare that the alias should not have a version")));
        }
        for (Map.Entry<String, BundleModel> entry : bundles.entrySet()) {
            String bundleName = entry.getKey();

        then:
        model.getPlugin("my").version.requiredVersion == "1.5"
    }

    def "can create an alias with an empty version"() {
        builder.library("foo", "org", "foo").withoutVersion()

        when:
        def model = builder.build()

        then:
        model.getDependencyData("foo").version.requiredVersion == ""
    }

    @VersionCatalogProblemTestFor(

    Reason: A version was not set or explicitly declared as not wanted.

    Possible solutions:
      1. Call `.version()` to give the alias a version.
      2. Call `.withoutVersion()` to explicitly declare that the alias should not have a version.

    ${documentation}"""
        }
    }

    static class MissingCatalogFile extends InCatalog<MissingCatalogFile> {

                it.prefer('1.2')
                it.strictly('[1.0, 2.0[')
            }
            library('bar', 'group', 'bar').versionRef('barVersion')
            library('boo', 'group', 'boo').withoutVersion()
            plugin('fooPlugin', 'org.foo.plugin').version('1.0')
            plugin('barPlugin', 'org.bar.plugin').versionRef('barVersion')
            plugin('bazPlugin', 'org.baz.plugin').version('')
        }