https://github.com/spring-projects/spring-framework: Spring Core (Spring IO)
  • Juergen Hoeller 
Encoder and Decoder abstractions to convert between a reactive stream of bytes and Java objects. 
/**
 * {@link org.springframework.core.codec.Encoder} and
 * {@link org.springframework.core.codec.Decoder} abstractions to convert
 * between a reactive stream of bytes and Java objects.
 */
@NonNullApi
@NonNullFields
package org.springframework.core.codec;

import org.springframework.lang.NonNullApi;
import org.springframework.lang.NonNullFields;