http://www.jooq.org/jooq: jOOQ effectively combines complex SQL, typesafety, source code generation, active records, stored procedures, advanced data types, and Java in a fluent, intuitive DSL. 
public interface org.jooq.ConverterProvider
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.jooq.ConverterProvider
  super_class: java.lang.Object
{
  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 42
            new java.lang.Error
            dup
            ldc "Unresolved compilation problems: \n\tThe import org.jetbrains cannot be resolved\n\tNullable cannot be resolved to a type\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public abstract <T, U> org.jooq.Converter<T, U> provide(java.lang.Class<T>, java.lang.Class<U>);
    descriptor: (Ljava/lang/Class;Ljava/lang/Class;)Lorg/jooq/Converter;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: <T:Ljava/lang/Object;U:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;Ljava/lang/Class<TU;>;)Lorg/jooq/Converter<TT;TU;>;
    RuntimeInvisibleAnnotations: 
      Nullable()
    RuntimeInvisibleTypeAnnotations: 
      METHOD_RETURN
        Nullable()
    MethodParameters:
       Name  Flags
      tType  
      uType  
}
SourceFile: "ConverterProvider.java"
    RuntimeVisibleAnnotations: 
      java.lang.FunctionalInterface()