code: public static boolean isSnapshot(Coordinates coordinates) {
          String version = coordinates.getVersion();
          return version.endsWith(SNAPSHOT) || SNAPSHOT_TIMESTAMP.matcher(version).matches();
      }
docs: Determines if the given {@link Coordinates} represent a snapshot.
  
  @param coordinates
  The coordinates.
  @return <code>true</code> if the {@link Coordinates} represent a snapshot.