src/main/java/com/buschmais/jqassistant/plugin/common/api/scanner/ContainerFileResolver.java
private void createHierarchy() {
        for (Map.Entry<String, FileDescriptor> entry : containedFiles.entrySet()) {
            String relativePath = entry.getKey();
            FileDescriptor fileDescriptor = entry.getValue();
            int separatorIndex = relativePath.lastIndexOf('/');
            if (separatorIndex != -1) {
                String parentName = relativePath.substring(0, separatorIndex);
                FileDescriptor parentDescriptor = containedFiles.get(parentName);
                if (parentDescriptor instanceof FileContainerDescriptor) {
                    ((FileContainerDescriptor) parentDescriptor).getContains().add(fileDescriptor);
                }
            }
        }
    }
private void createHierarchy() {
        for (Map.Entry<String, FileDescriptor> entry : containedFiles.entrySet()) {
            String relativePath = entry.getKey();
            FileDescriptor fileDescriptor = entry.getValue();
            int separatorIndex = relativePath.lastIndexOf('/');
            if (separatorIndex != -1) {
                String parentName = relativePath.substring(0, separatorIndex);
                FileDescriptor parentDescriptor = containedFiles.get(parentName);
                if (parentDescriptor instanceof FileContainerDescriptor) {
                    ((FileContainerDescriptor) parentDescriptor).getContains().add(fileDescriptor);
                }
            }
        }
    }
Build the hierarchy of the container entries, i.e. add contains relations
from containers to their children.