public class org.springframework.beans.factory.parsing.NullSourceExtractor implements org.springframework.beans.factory.parsing.SourceExtractor
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.springframework.beans.factory.parsing.NullSourceExtractor
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.beans.factory.parsing.NullSourceExtractor this
         0: .line 32
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.springframework.beans.factory.parsing.NullSourceExtractor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/beans/factory/parsing/NullSourceExtractor;

  public java.lang.Object extractSource(java.lang.Object, org.springframework.core.io.Resource);
    descriptor: (Ljava/lang/Object;Lorg/springframework/core/io/Resource;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // org.springframework.beans.factory.parsing.NullSourceExtractor this
        start local 1 // java.lang.Object sourceCandidate
        start local 2 // org.springframework.core.io.Resource definitionResource
         0: .line 40
            aconst_null
            areturn
        end local 2 // org.springframework.core.io.Resource definitionResource
        end local 1 // java.lang.Object sourceCandidate
        end local 0 // org.springframework.beans.factory.parsing.NullSourceExtractor this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    1     0                this  Lorg/springframework/beans/factory/parsing/NullSourceExtractor;
            0    1     1     sourceCandidate  Ljava/lang/Object;
            0    1     2  definitionResource  Lorg/springframework/core/io/Resource;
    RuntimeVisibleAnnotations: 
      org.springframework.lang.Nullable()
    RuntimeVisibleParameterAnnotations: 
      0:
      1:
        org.springframework.lang.Nullable()
    MethodParameters:
                    Name  Flags
      sourceCandidate     
      definitionResource  
}
SourceFile: "NullSourceExtractor.java"