*
 * @author Ben Yu
 * @since 15.0
 */
public final class TypeResolver {

  private final TypeTable typeTable;

  public TypeResolver() {
    this.typeTable = new TypeTable();
  }

  private TypeResolver(TypeTable typeTable) {
    this.typeTable = typeTable;
  }

  /**
   * Returns a resolver that resolves types "covariantly".
   *

            var navigationUrl = sanitizeUrl(source.goUrl || source.urlLink || source.url);
            var icon = getFileTypeIcon(source.url, source.mimetype);
            var typeLabel = getFileTypeLabel(source.url, source.mimetype);

            html += '<li>' +
                '<a href="' + escapeHtml(navigationUrl) + '" class="source-card" target="_blank" rel="noopener noreferrer">' +