Interface SPNavigationChildrenLayer

interface SPNavigationChildrenLayer {
    create(
        props: Partial<CreateNaviagationProps>,
        options: CreateNaviagationOptions,
    ): Promise<any>;
    delete(): Promise<void>;
    get<T extends [] = null>(
        filter?: QueryNavigationsFilter,
    ): Promise<T extends null ? INavigationNode : INavigationNode[]>;
    update(props: Partial<IWebPartDefinition>): Promise<ClientsideWebPartData>;
}