Entry points

IQueryOfNodes<object, object> Query(QueryContext? ctx = null);     // all nodes, untyped

IQueryOfNodes<T, T> Query<T>(QueryContext? ctx = null);
IQueryOfNodes<T, T> Query<T>(Guid id, QueryContext? ctx = null);
IQueryOfNodes<T, T> Query<T>(int id, QueryContext? ctx = null);
IQueryOfNodes<T, T> Query<T>(NodeKey id, QueryContext? ctx = null);
IQueryOfNodes<T, T> Query<T>(IEnumerable<Guid> ids, QueryContext? ctx = null);
IQueryOfNodes<T, T> Query<T>(Expression<Func<T, bool>> expression, QueryContext? ctx = null);
IQueryOfNodes<T, T> Query<T>(T node, QueryContext? ctx = null);          // one node, e.g. to traverse from

IQueryOfNodes<object, object> QueryType(Guid nodeTypeId, QueryContext? ctx = null);
IQueryOfNodes<object, object> QueryType(string typeName, QueryContext? ctx = null);
IQueryOfNodes<T, T> QueryRelated<T>(Guid propertyId, Guid nodeId, QueryContext? ctx = null);