Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".

Jackson Databind Source Code files are provided in the source packge (jackson-databind-2.14.0-sources.jar). You can download it at Jackson Maven Website.

You can also browse Jackson Databind Source Code below:

⏎ com/fasterxml/jackson/databind/jsonschema/SchemaAware.java

package com.fasterxml.jackson.databind.jsonschema;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.SerializerProvider;

import java.lang.reflect.Type;

/**
 * Marker interface for schema-aware serializers.
 */
public interface SchemaAware
{
    /**
     * Get the representation of the schema to which this serializer will conform.
     *
     * @param provider The serializer provider.
     * @param typeHint A hint about the type.
     * @return <a href="http://json-schema.org/">Json-schema</a> for this serializer.
     */
    public JsonNode getSchema(SerializerProvider provider, Type typeHint)
        throws JsonMappingException;
    
    /**
     * Get the representation of the schema to which this serializer will conform.
     *
     * @param provider The serializer provider.
     * @param isOptional Is the type optional
     * @param typeHint A hint about the type.
     * @return <a href="http://json-schema.org/">Json-schema</a> for this serializer.
     */
    public JsonNode getSchema(SerializerProvider provider, Type typeHint, boolean isOptional)
        throws JsonMappingException;
}

⏎ com/fasterxml/jackson/databind/jsonschema/SchemaAware.java

Or download all of them as a single archive file:

File name: jackson-databind-2.14.0-sources.jar
File size: 1187952 bytes
Release date: 2022-11-05
Download 

⇒ Jackson Annotations Source Code

⇐ Download and Install Jackson Binary Package

⇑ Downloading and Reviewing jackson-*.jar

⇑⇑ Jackson - Java JSON library