Java tutorial
package com.fasterxml.jackson.databind.jsonFormatVisitors; import com.fasterxml.jackson.core.JsonParser; public interface JsonNumberFormatVisitor extends JsonValueFormatVisitor { /** * Method called to provide more exact type of number being serialized * (regardless of logical type, which may be {@link java.util.Date} or * {@link java.lang.Enum}, in addition to actual numeric types like * {@link java.lang.Integer}). */ public void numberType(JsonParser.NumberType type); /** * Default "empty" implementation, useful as the base to start on; * especially as it is guaranteed to implement all the method * of the interface, even if new methods are getting added. */ public static class Base extends JsonValueFormatVisitor.Base implements JsonNumberFormatVisitor { @Override public void numberType(JsonParser.NumberType type) { } } }