https://github.com/FasterXML/java-classmate: Library for introspecting types with full generic information including resolving of field and method types. (fasterxml.com)
  • Tatu Saloranta
  • Brian Langel 
Package that contains implementations of various member types
(methods, fields, constructors)

/**
 * Package that contains implementations of various member types
 * (methods, fields, constructors)
 */
package com.fasterxml.classmate.members;