public static @NotNull String mergeTemplate(@NotNull Map attributes, @NotNull String content, boolean useSystemLineSeparators) {
    VelocityContext context = createVelocityContext();
    for (Object o : attributes.keySet()) {
      String name = (String)o;
      context.put(name, attributes.get(name));
    }
    return mergeTemplate(content, context, useSystemLineSeparators, null);
  }
public static @NotNull String mergeTemplate(@NotNull Map attributes, @NotNull String content, boolean useSystemLineSeparators)