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 package com.fasterxml.jackson.annotation;
Annotation used to indicate that associated property is part of two-way linkage between fields; and that its role is "child" (or "back") link. Value type of the property must be a bean: it can not be a Collection, Map, Array or enumeration. Linkage is handled such that the property annotated with this annotation is not serialized; and during deserialization, its value is set to instance that has the "managed" (forward) link.

All references have logical name to allow handling multiple linkages; typical case would be that where nodes have both parent/child and sibling linkages. If so, pairs of references should be named differently. It is an error for a class to have multiple back references with same name, even if types pointed are different.

Note: only methods and fields can be annotated with this annotation: constructor arguments should NOT be annotated, as they can not be either managed or back references.

public @interface JsonBackReference
Logical have for the reference property pair; used to link managed and back references. Default name can be used if there is just single reference pair (for example, node class that just has parent/child linkage, consisting of one managed reference and matching back reference)
    public String value() default "defaultReference";
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