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.Key<R extends org.jooq.Record> extends org.jooq.Named
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.jooq.Key
  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\tNotNull cannot be resolved to a type\n\tNotNull cannot be resolved to a type\n\tNotNull cannot be resolved to a type\n\tNotNull 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 org.jooq.Table<R> getTable();
    descriptor: ()Lorg/jooq/Table;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Lorg/jooq/Table<TR;>;
    RuntimeInvisibleAnnotations: 
      NotNull()
    RuntimeInvisibleTypeAnnotations: 
      METHOD_RETURN
        NotNull()

  public abstract java.util.List<org.jooq.TableField<R, ?>> getFields();
    descriptor: ()Ljava/util/List;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/List<Lorg/jooq/TableField<TR;*>;>;
    RuntimeInvisibleAnnotations: 
      NotNull()
    RuntimeInvisibleTypeAnnotations: 
      METHOD_RETURN
        NotNull()

  public abstract org.jooq.TableField<R, ?>[] getFieldsArray();
    descriptor: ()[Lorg/jooq/TableField;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()[Lorg/jooq/TableField<TR;*>;
    RuntimeInvisibleAnnotations: 
      NotNull()
    RuntimeInvisibleTypeAnnotations: 
      METHOD_RETURN, location=[ARRAY_ELEMENT]
        NotNull()

  public abstract org.jooq.Constraint constraint();
    descriptor: ()Lorg/jooq/Constraint;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    RuntimeInvisibleAnnotations: 
      NotNull()
    RuntimeInvisibleTypeAnnotations: 
      METHOD_RETURN
        NotNull()

  public abstract boolean enforced();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract boolean nullable();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
Signature: <R::Lorg/jooq/Record;>Ljava/lang/Object;Lorg/jooq/Named;
SourceFile: "Key.java"