com_baeldung_jacksonannotation_deserialization_jsonsetter_JsonSetterUnitTest_java
com.fasterxml.jackson.databind.deser.BeanDeserializerBuilder
 -> java.util.Collection.iterator(): java.util.Iterator -> java.util.Iterator.hasNext(): boolean -> java.util.Iterator.next(): java.lang.Object -> java.util.Iterator.hasNext(): boolean -> java.util.Iterator.next(): java.lang.Object -> java.util.Iterator.hasNext(): boolean -> java.util.Iterator.next(): java.lang.Object -> java.util.Iterator.hasNext(): boolean -> java.util.Iterator.next(): java.lang.Object -> java.util.HashMap.get(java.lang.Object): java.lang.Object -> java.util.Iterator.hasNext(): boolean -> java.util.Collections.emptyMap(): java.util.Map