http://jdbi.org/: jdbi SqlObject transforms simple annotated interfaces into full-featured DAO implementations. 
class org.jdbi.v3.sqlobject.DefaultMethodHandler implements org.jdbi.v3.sqlobject.Handler
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.jdbi.v3.sqlobject.DefaultMethodHandler
  super_class: java.lang.Object
{
  private static final int ANY_ACCESS;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 15

  private static final java.lang.reflect.Method PRIVATE_LOOKUP_IN;
    descriptor: Ljava/lang/reflect/Method;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.util.Map<java.lang.Class<?>, java.lang.invoke.MethodHandles$Lookup> PRIVATE_LOOKUPS;
    descriptor: Ljava/util/Map;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/Class<*>;Ljava/lang/invoke/MethodHandles$Lookup;>;

  private final java.lang.invoke.MethodHandle methodHandle;
    descriptor: Ljava/lang/invoke/MethodHandle;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 37
            invokestatic org.jdbi.v3.sqlobject.DefaultMethodHandler.privateLookupIn:()Ljava/lang/reflect/Method;
            putstatic org.jdbi.v3.sqlobject.DefaultMethodHandler.PRIVATE_LOOKUP_IN:Ljava/lang/reflect/Method;
         1: .line 38
            new java.util.WeakHashMap
            dup
            invokespecial java.util.WeakHashMap.<init>:()V
            invokestatic java.util.Collections.synchronizedMap:(Ljava/util/Map;)Ljava/util/Map;
            putstatic org.jdbi.v3.sqlobject.DefaultMethodHandler.PRIVATE_LOOKUPS:Ljava/util/Map;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(java.lang.reflect.Method);
    descriptor: (Ljava/lang/reflect/Method;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // org.jdbi.v3.sqlobject.DefaultMethodHandler this
        start local 1 // java.lang.reflect.Method method
         0: .line 42
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 43
            aload 1 /* method */
            invokevirtual java.lang.reflect.Method.getDeclaringClass:()Ljava/lang/Class;
            astore 2 /* declaringClass */
        start local 2 // java.lang.Class declaringClass
         2: .line 45
            aload 0 /* this */
            aload 2 /* declaringClass */
            invokestatic org.jdbi.v3.sqlobject.DefaultMethodHandler.lookupFor:(Ljava/lang/Class;)Ljava/lang/invoke/MethodHandles$Lookup;
            dup
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            pop
            invokedynamic apply(Ljava/lang/invoke/MethodHandles$Lookup;)Lorg/jdbi/v3/core/internal/exceptions/CheckedBiFunction;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
                  java/lang/invoke/MethodHandles$Lookup.unreflectSpecial(Ljava/lang/reflect/Method;Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle; (5)
                  (Ljava/lang/reflect/Method;Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
            invokestatic org.jdbi.v3.core.internal.exceptions.Unchecked.biFunction:(Lorg/jdbi/v3/core/internal/exceptions/CheckedBiFunction;)Ljava/util/function/BiFunction;
            aload 1 /* method */
            aload 2 /* declaringClass */
            invokeinterface java.util.function.BiFunction.apply:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.invoke.MethodHandle
            putfield org.jdbi.v3.sqlobject.DefaultMethodHandler.methodHandle:Ljava/lang/invoke/MethodHandle;
         3: .line 46
            return
        end local 2 // java.lang.Class declaringClass
        end local 1 // java.lang.reflect.Method method
        end local 0 // org.jdbi.v3.sqlobject.DefaultMethodHandler this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    4     0            this  Lorg/jdbi/v3/sqlobject/DefaultMethodHandler;
            0    4     1          method  Ljava/lang/reflect/Method;
            2    4     2  declaringClass  Ljava/lang/Class<*>;
    MethodParameters:
        Name  Flags
      method  

  public java.lang.Object invoke(java.lang.Object, java.lang.Object[], org.jdbi.v3.core.extension.HandleSupplier);
    descriptor: (Ljava/lang/Object;[Ljava/lang/Object;Lorg/jdbi/v3/core/extension/HandleSupplier;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=4
        start local 0 // org.jdbi.v3.sqlobject.DefaultMethodHandler this
        start local 1 // java.lang.Object target
        start local 2 // java.lang.Object[] args
        start local 3 // org.jdbi.v3.core.extension.HandleSupplier handle
         0: .line 50
            aload 0 /* this */
            getfield org.jdbi.v3.sqlobject.DefaultMethodHandler.methodHandle:Ljava/lang/invoke/MethodHandle;
            aload 1 /* target */
            invokevirtual java.lang.invoke.MethodHandle.bindTo:(Ljava/lang/Object;)Ljava/lang/invoke/MethodHandle;
            astore 4
            aload 4
            invokedynamic apply(Ljava/lang/invoke/MethodHandle;)Lorg/jdbi/v3/core/internal/exceptions/CheckedFunction;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  org/jdbi/v3/sqlobject/DefaultMethodHandler.lambda$3(Ljava/lang/invoke/MethodHandle;[Ljava/lang/Object;)Ljava/lang/Object; (6)
                  ([Ljava/lang/Object;)Ljava/lang/Object;
            invokestatic org.jdbi.v3.core.internal.exceptions.Unchecked.function:(Lorg/jdbi/v3/core/internal/exceptions/CheckedFunction;)Ljava/util/function/Function;
            aload 2 /* args */
            invokeinterface java.util.function.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 3 // org.jdbi.v3.core.extension.HandleSupplier handle
        end local 2 // java.lang.Object[] args
        end local 1 // java.lang.Object target
        end local 0 // org.jdbi.v3.sqlobject.DefaultMethodHandler this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lorg/jdbi/v3/sqlobject/DefaultMethodHandler;
            0    1     1  target  Ljava/lang/Object;
            0    1     2    args  [Ljava/lang/Object;
            0    1     3  handle  Lorg/jdbi/v3/core/extension/HandleSupplier;
    MethodParameters:
        Name  Flags
      target  
      args    
      handle  

  private static java.lang.reflect.Method privateLookupIn();
    descriptor: ()Ljava/lang/reflect/Method;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=0, args_size=0
         0: .line 55
            ldc Ljava/lang/invoke/MethodHandles;
            ldc "privateLookupIn"
            iconst_2
            anewarray java.lang.Class
            dup
            iconst_0
            ldc Ljava/lang/Class;
            aastore
            dup
            iconst_1
            ldc Ljava/lang/invoke/MethodHandles$Lookup;
            aastore
            invokevirtual java.lang.Class.getMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
         1: areturn
         2: .line 56
      StackMap locals:
      StackMap stack: java.lang.NoSuchMethodException
            pop
         3: .line 58
            aconst_null
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.NoSuchMethodException

  static java.lang.invoke.MethodHandles$Lookup lookupFor(java.lang.Class<?>);
    descriptor: (Ljava/lang/Class;)Ljava/lang/invoke/MethodHandles$Lookup;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=6, locals=3, args_size=1
        start local 0 // java.lang.Class clazz
         0: .line 63
            getstatic org.jdbi.v3.sqlobject.DefaultMethodHandler.PRIVATE_LOOKUP_IN:Ljava/lang/reflect/Method;
            ifnull 8
         1: .line 65
            getstatic org.jdbi.v3.sqlobject.DefaultMethodHandler.PRIVATE_LOOKUP_IN:Ljava/lang/reflect/Method;
            aconst_null
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* clazz */
            aastore
            dup
            iconst_1
            invokestatic java.lang.invoke.MethodHandles.lookup:()Ljava/lang/invoke/MethodHandles$Lookup;
            aastore
            invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.invoke.MethodHandles$Lookup
         2: areturn
         3: .line 66
      StackMap locals:
      StackMap stack: java.lang.ReflectiveOperationException
            astore 1 /* e */
        start local 1 // java.lang.ReflectiveOperationException e
         4: .line 68
            ldc "Error invoking MethodHandles.privateLookupIn(%s.class, MethodHandles.lookup()) in JDK 9+ runtime"
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
         5: .line 69
            aload 0 /* clazz */
            aastore
         6: .line 67
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            astore 2 /* message */
        start local 2 // java.lang.String message
         7: .line 70
            new java.lang.RuntimeException
            dup
            aload 2 /* message */
            aload 1 /* e */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.lang.String message
        end local 1 // java.lang.ReflectiveOperationException e
         8: .line 86
      StackMap locals:
      StackMap stack:
            getstatic org.jdbi.v3.sqlobject.DefaultMethodHandler.PRIVATE_LOOKUPS:Ljava/util/Map;
            aload 0 /* clazz */
            invokedynamic apply()Lorg/jdbi/v3/core/internal/exceptions/CheckedFunction;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  org/jdbi/v3/sqlobject/DefaultMethodHandler.getConstructorLookup(Ljava/lang/Class;)Ljava/lang/invoke/MethodHandles$Lookup; (6)
                  (Ljava/lang/Class;)Ljava/lang/invoke/MethodHandles$Lookup;
            invokestatic org.jdbi.v3.core.internal.exceptions.Unchecked.function:(Lorg/jdbi/v3/core/internal/exceptions/CheckedFunction;)Ljava/util/function/Function;
            invokeinterface java.util.Map.computeIfAbsent:(Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;
            checkcast java.lang.invoke.MethodHandles$Lookup
            areturn
        end local 0 // java.lang.Class clazz
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0    clazz  Ljava/lang/Class<*>;
            4    8     1        e  Ljava/lang/ReflectiveOperationException;
            7    8     2  message  Ljava/lang/String;
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.IllegalAccessException
           1     2       3  Class java.lang.reflect.InvocationTargetException
    Signature: (Ljava/lang/Class<*>;)Ljava/lang/invoke/MethodHandles$Lookup;
    MethodParameters:
       Name  Flags
      clazz  

  private static java.lang.invoke.MethodHandles$Lookup getConstructorLookup(java.lang.Class<?>);
    descriptor: (Ljava/lang/Class;)Ljava/lang/invoke/MethodHandles$Lookup;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.lang.Class type
         0: .line 90
            ldc Ljava/lang/invoke/MethodHandles$Lookup;
            iconst_2
            anewarray java.lang.Class
            dup
            iconst_0
            ldc Ljava/lang/Class;
            aastore
            dup
            iconst_1
            getstatic java.lang.Integer.TYPE:Ljava/lang/Class;
            aastore
            invokevirtual java.lang.Class.getDeclaredConstructor:([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;
            astore 1 /* constructor */
        start local 1 // java.lang.reflect.Constructor constructor
         1: .line 92
            aload 1 /* constructor */
            invokevirtual java.lang.reflect.Constructor.isAccessible:()Z
            ifne 3
         2: .line 93
            aload 1 /* constructor */
            iconst_1
            invokevirtual java.lang.reflect.Constructor.setAccessible:(Z)V
         3: .line 96
      StackMap locals: java.lang.reflect.Constructor
      StackMap stack:
            aload 1 /* constructor */
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* type */
            aastore
            dup
            iconst_1
            bipush 15
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aastore
            invokevirtual java.lang.reflect.Constructor.newInstance:([Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.invoke.MethodHandles$Lookup
            areturn
        end local 1 // java.lang.reflect.Constructor constructor
        end local 0 // java.lang.Class type
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    4     0         type  Ljava/lang/Class<*>;
            1    4     1  constructor  Ljava/lang/reflect/Constructor<Ljava/lang/invoke/MethodHandles$Lookup;>;
    Exceptions:
      throws java.lang.ReflectiveOperationException
    Signature: (Ljava/lang/Class<*>;)Ljava/lang/invoke/MethodHandles$Lookup;
    MethodParameters:
      Name  Flags
      type  

  private static java.lang.Object lambda$3(java.lang.invoke.MethodHandle, java.lang.Object[]);
    descriptor: (Ljava/lang/invoke/MethodHandle;[Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
        start local 1 // java.lang.Object[]  arg0
         0: aload 0
            aload 1 /*  arg0 */
            invokevirtual java.lang.invoke.MethodHandle.invokeWithArguments:([Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object[]  arg0
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     1   arg0  [Ljava/lang/Object;
    Exceptions:
      throws java.lang.Throwable
}
SourceFile: "DefaultMethodHandler.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles