The current node, noted @.
@
This object is used in filter expressions to refer to the node currently being evaluated.
Points to all children of a document.
The parent path of this path: the same path without the last segment.
Allows specifying multiple selectors.
Applies the filters described by this path on the reader.
Points to the element at index in a BsonArray.
Points to a field in a Bson document.
Iterates a BsonArray in the reversed order, starting from the end.
Points to the elements of a BsonArray at the indices selected by range.
Points to the elements of a BsonArray at the indices selected by start and end, with an optional step.