@Override
  public void setFooter(List<String> footerLines) {
    // No op.
  }
Creates a {@link PlainConsoleLogger}.

@param messageConsumers map from each {@link Level} to a log message {@link Consumer} of type
    {@code Consumer<String>}
@param singleThreadedExecutor a {@link SingleThreadedExecutor} to ensure that all messages are
    logged in a sequential, deterministic order
jib-plugins-common/src/main/java/com/google/cloud/tools/jib/plugins/common/logging/PlainConsoleLogger.java