@SuppressWarnings("unchecked")
        Map<String, ExtensionRealmCache.CacheRecord> pluginRealms =
                (Map<String, ExtensionRealmCache.CacheRecord>) project.getContextValue(KEY_EXTENSIONS_REALMS);
        if (pluginRealms == null) {
            pluginRealms = new HashMap<>();
            project.setContextValue(KEY_EXTENSIONS_REALMS, pluginRealms);
        }

        }
    }

    /**
     * Returns context value of this project associated with the given key or null if this project has no such value.
     */
    public Object getContextValue(String key) {
        if (context == null) {
            return null;
        }
        return context.get(key);
    }

    /**