case CONCURRENT_MODE_NUMBER:
          case CONCURRENT_MODE_SYMBOL_STRING:
          case DEPRECATED_ASYNC_MODE_SYMBOL_STRING:
            return null;
          case PROVIDER_NUMBER:
          case PROVIDER_SYMBOL_STRING:
            
            
            
            resolvedContext = fiber.type._context || fiber.type.context;
            return `${resolvedContext.displayName || 'Context'}.Provider`;
          case CONTEXT_NUMBER:
          case CONTEXT_SYMBOL_STRING:
            
            
            
            resolvedContext = fiber.type._context || fiber.type;
            
            
            return `${resolvedContext.displayName || 'Context'}.Consumer`;
          case STRICT_MODE_NUMBER:
          case STRICT_MODE_SYMBOL_STRING:
            return null;
          case PROFILER_NUMBER:
          case PROFILER_SYMBOL_STRING:
            return `Profiler(${fiber.memoizedProps.id})`;
          case SCOPE_NUMBER:
          case SCOPE_SYMBOL_STRING:
            return 'Scope';
          default: