https://github.com/spring-projects/spring-framework: Spring Core (Spring IO)
  • Juergen Hoeller 
class org.springframework.core.MethodParameter$KotlinDelegate
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.springframework.core.MethodParameter$KotlinDelegate
  super_class: java.lang.Object
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.core.MethodParameter$KotlinDelegate this
         0: .line 764
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.springframework.core.MethodParameter$KotlinDelegate this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/core/MethodParameter$KotlinDelegate;

  public static boolean isOptional(org.springframework.core.MethodParameter);
    descriptor: (Lorg/springframework/core/MethodParameter;)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=8, args_size=1
        start local 0 // org.springframework.core.MethodParameter param
         0: .line 771
            aload 0 /* param */
            invokevirtual org.springframework.core.MethodParameter.getMethod:()Ljava/lang/reflect/Method;
            astore 1 /* method */
        start local 1 // java.lang.reflect.Method method
         1: .line 772
            aload 0 /* param */
            invokevirtual org.springframework.core.MethodParameter.getConstructor:()Ljava/lang/reflect/Constructor;
            astore 2 /* ctor */
        start local 2 // java.lang.reflect.Constructor ctor
         2: .line 773
            aload 0 /* param */
            invokevirtual org.springframework.core.MethodParameter.getParameterIndex:()I
            istore 3 /* index */
        start local 3 // int index
         3: .line 774
            aload 1 /* method */
            ifnull 7
            iload 3 /* index */
            iconst_m1
            if_icmpne 7
         4: .line 775
            aload 1 /* method */
            invokestatic kotlin.reflect.jvm.ReflectJvmMapping.getKotlinFunction:(Ljava/lang/reflect/Method;)Lkotlin/reflect/KFunction;
            astore 4 /* function */
        start local 4 // kotlin.reflect.KFunction function
         5: .line 776
            aload 4 /* function */
            ifnull 6
            aload 4 /* function */
            invokeinterface kotlin.reflect.KFunction.getReturnType:()Lkotlin/reflect/KType;
            invokeinterface kotlin.reflect.KType.isMarkedNullable:()Z
            ifeq 6
            iconst_1
            ireturn
      StackMap locals: org.springframework.core.MethodParameter java.lang.reflect.Method java.lang.reflect.Constructor int kotlin.reflect.KFunction
      StackMap stack:
         6: iconst_0
            ireturn
        end local 4 // kotlin.reflect.KFunction function
         7: .line 779
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 4 /* function */
        start local 4 // kotlin.reflect.KFunction function
         8: .line 780
            aconst_null
            astore 5 /* predicate */
        start local 5 // java.util.function.Predicate predicate
         9: .line 781
            aload 1 /* method */
            ifnull 13
        10: .line 782
            aload 1 /* method */
            invokestatic kotlin.reflect.jvm.ReflectJvmMapping.getKotlinFunction:(Ljava/lang/reflect/Method;)Lkotlin/reflect/KFunction;
            astore 4 /* function */
        11: .line 783
            invokedynamic test()Ljava/util/function/Predicate;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Z
                  org/springframework/core/MethodParameter$KotlinDelegate.lambda$0(Lkotlin/reflect/KParameter;)Z (6)
                  (Lkotlin/reflect/KParameter;)Z
            astore 5 /* predicate */
        12: .line 784
            goto 16
        13: .line 785
      StackMap locals: kotlin.reflect.KFunction java.util.function.Predicate
      StackMap stack:
            aload 2 /* ctor */
            ifnull 16
        14: .line 786
            aload 2 /* ctor */
            invokestatic kotlin.reflect.jvm.ReflectJvmMapping.getKotlinFunction:(Ljava/lang/reflect/Constructor;)Lkotlin/reflect/KFunction;
            astore 4 /* function */
        15: .line 787
            invokedynamic test()Ljava/util/function/Predicate;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$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;)Z
                  org/springframework/core/MethodParameter$KotlinDelegate.lambda$1(Lkotlin/reflect/KParameter;)Z (6)
                  (Lkotlin/reflect/KParameter;)Z
            astore 5 /* predicate */
        16: .line 790
      StackMap locals:
      StackMap stack:
            aload 4 /* function */
            ifnull 26
        17: .line 791
            aload 4 /* function */
            invokeinterface kotlin.reflect.KFunction.getParameters:()Ljava/util/List;
            astore 6 /* parameters */
        start local 6 // java.util.List parameters
        18: .line 792
            aload 6 /* parameters */
        19: .line 793
            invokeinterface java.util.List.stream:()Ljava/util/stream/Stream;
        20: .line 794
            aload 5 /* predicate */
            invokeinterface java.util.stream.Stream.filter:(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;
        21: .line 795
            invokestatic java.util.stream.Collectors.toList:()Ljava/util/stream/Collector;
            invokeinterface java.util.stream.Stream.collect:(Ljava/util/stream/Collector;)Ljava/lang/Object;
            checkcast java.util.List
        22: .line 796
            iload 3 /* index */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast kotlin.reflect.KParameter
        23: .line 792
            astore 7 /* parameter */
        start local 7 // kotlin.reflect.KParameter parameter
        24: .line 797
            aload 7 /* parameter */
            invokeinterface kotlin.reflect.KParameter.getType:()Lkotlin/reflect/KType;
            invokeinterface kotlin.reflect.KType.isMarkedNullable:()Z
            ifne 25
            aload 7 /* parameter */
            invokeinterface kotlin.reflect.KParameter.isOptional:()Z
            ifne 25
            iconst_0
            ireturn
      StackMap locals: java.util.List kotlin.reflect.KParameter
      StackMap stack:
        25: iconst_1
            ireturn
        end local 7 // kotlin.reflect.KParameter parameter
        end local 6 // java.util.List parameters
        end local 5 // java.util.function.Predicate predicate
        end local 4 // kotlin.reflect.KFunction function
        26: .line 800
      StackMap locals: org.springframework.core.MethodParameter java.lang.reflect.Method java.lang.reflect.Constructor int
      StackMap stack:
            iconst_0
            ireturn
        end local 3 // int index
        end local 2 // java.lang.reflect.Constructor ctor
        end local 1 // java.lang.reflect.Method method
        end local 0 // org.springframework.core.MethodParameter param
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   27     0       param  Lorg/springframework/core/MethodParameter;
            1   27     1      method  Ljava/lang/reflect/Method;
            2   27     2        ctor  Ljava/lang/reflect/Constructor<*>;
            3   27     3       index  I
            5    7     4    function  Lkotlin/reflect/KFunction<*>;
            8   26     4    function  Lkotlin/reflect/KFunction<*>;
            9   26     5   predicate  Ljava/util/function/Predicate<Lkotlin/reflect/KParameter;>;
           18   26     6  parameters  Ljava/util/List<Lkotlin/reflect/KParameter;>;
           24   26     7   parameter  Lkotlin/reflect/KParameter;
    MethodParameters:
       Name  Flags
      param  

  private static boolean lambda$0(kotlin.reflect.KParameter);
    descriptor: (Lkotlin/reflect/KParameter;)Z
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // kotlin.reflect.KParameter p
         0: .line 783
            getstatic kotlin.reflect.KParameter$Kind.VALUE:Lkotlin/reflect/KParameter$Kind;
            aload 0 /* p */
            invokeinterface kotlin.reflect.KParameter.getKind:()Lkotlin/reflect/KParameter$Kind;
            invokevirtual kotlin.reflect.KParameter$Kind.equals:(Ljava/lang/Object;)Z
            ireturn
        end local 0 // kotlin.reflect.KParameter p
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     p  Lkotlin/reflect/KParameter;

  private static boolean lambda$1(kotlin.reflect.KParameter);
    descriptor: (Lkotlin/reflect/KParameter;)Z
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // kotlin.reflect.KParameter p
         0: .line 787
            getstatic kotlin.reflect.KParameter$Kind.VALUE:Lkotlin/reflect/KParameter$Kind;
            aload 0 /* p */
            invokeinterface kotlin.reflect.KParameter.getKind:()Lkotlin/reflect/KParameter$Kind;
            invokevirtual kotlin.reflect.KParameter$Kind.equals:(Ljava/lang/Object;)Z
            ifne 2
         1: .line 788
            getstatic kotlin.reflect.KParameter$Kind.INSTANCE:Lkotlin/reflect/KParameter$Kind;
            aload 0 /* p */
            invokeinterface kotlin.reflect.KParameter.getKind:()Lkotlin/reflect/KParameter$Kind;
            invokevirtual kotlin.reflect.KParameter$Kind.equals:(Ljava/lang/Object;)Z
            ifne 2
            iconst_0
            goto 3
      StackMap locals:
      StackMap stack:
         2: iconst_1
      StackMap locals:
      StackMap stack: int
         3: ireturn
        end local 0 // kotlin.reflect.KParameter p
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     p  Lkotlin/reflect/KParameter;
}
SourceFile: "MethodParameter.java"
NestHost: org.springframework.core.MethodParameter
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public final Kind = kotlin.reflect.KParameter$Kind of kotlin.reflect.KParameter
  private KotlinDelegate = org.springframework.core.MethodParameter$KotlinDelegate of org.springframework.core.MethodParameter