For example, for the dependency <code>junit:junit:4.8.1</code>, it will first search for <code>junit-4.8.1.jar</code> then <code>junit.jar</code>. The group ID in the dependency descriptor is always ignored.
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For example, for the dependency <code>junit:junit:4.8.1</code>, it will first search for <code>junit-4.8.1.jar</code> then <code>junit.jar</code>. The group ID in the dependency descriptor must be present (due to the presence of non-flat directory repositories as added by ForgeGradle), but it will always be ignored.