https://github.com/cglib/cglib/cglib: cglib is a powerful, high performance and quality Code Generation Library, It is used to extend JAVA classes and implements interfaces at runtime. 
package net.sf.cglib.core;

import org.objectweb.asm.Type;


Customizes key types for KeyFactory right in constructor. 
/**
 * Customizes key types for {@link KeyFactory} right in constructor.
 */
public interface FieldTypeCustomizer extends KeyFactoryCustomizer {
    
Customizes this.FIELD_0 = ? assignment in key constructor 
Params:
  • e – code emitter
  • index – parameter index
  • type – parameter type
/**
     * Customizes {@code this.FIELD_0 = ?} assignment in key constructor
     * @param e code emitter
     * @param index parameter index
     * @param type parameter type
     */
    void customize(CodeEmitter e, int index, Type type);

    
Computes type of field for storing given parameter

Params:
  • index – parameter index
  • type – parameter type
/**
     * Computes type of field for storing given parameter
     * @param index parameter index
     * @param type parameter type
     */
    Type getOutType(int index, Type type);
}