}
        if (!applyRules(name)) {
            return null;
        }
        return findByNameWithoutRules(name);
    }

    protected boolean hasWithName(String name) {
        return index.get(name) != null || index.getPending(name) != null;
    }

    @Nullable
    protected T findByNameWithoutRules(String name) {
        return index.get(name);
    }

    @Nullable

        }
    }

    private <T extends Task> void addTask(T task, boolean replaceExisting) {
        String name = task.getName();

        if (replaceExisting) {
            Task existing = findByNameWithoutRules(name);
            if (existing != null) {