public List<FileEntriesLayer> getFileEntriesLayers() {
    return layers;
  }
Returns a list of "user configured" layers, does <em>not</em> include base layer information.

@return a {@link List} of {@link FileEntriesLayer}s
jib-core/src/main/java/com/google/cloud/tools/jib/api/JibContainerDescription.java