https://github.com/FasterXML/jackson-core: Core Jackson processing abstractions (aka Streaming API), implementation for JSON (FasterXML)
  • Tatu Saloranta
  • Christopher Currie
  • Paul Brown 
Non-blocking ("async") JSON parser implementation.

Since:2.9
/**
 * Non-blocking ("async") JSON parser implementation.
 *
 * @since 2.9
 */
package com.fasterxml.jackson.core.json.async;