private static String[] parseCoordinates(String coordinates) {
        String[] parts = coordinates.split(":");
        if (parts.length != 3) {
            throw new DependencyResolverException("Invalid Maven coordinates: " + coordinates);
        }
        return parts;
    }
@return Get the last time the artifact was modified.
smithy-cli/src/main/java/software/amazon/smithy/cli/dependencies/ResolvedArtifact.java