https://spring.io/projects/spring-boot: Spring Boot (Pivotal Software, Inc.) 
class org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache<T> implements org.springframework.boot.context.properties.source.ConfigurationPropertyCaching
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache
  super_class: java.lang.Object
{
  private static final java.time.Duration UNLIMITED;
    descriptor: Ljava/time/Duration;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final boolean neverExpire;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private volatile java.time.Duration timeToLive;
    descriptor: Ljava/time/Duration;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private volatile java.lang.ref.SoftReference<T> value;
    descriptor: Ljava/lang/ref/SoftReference;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE
    Signature: Ljava/lang/ref/SoftReference<TT;>;

  private volatile java.time.Instant lastAccessed;
    descriptor: Ljava/time/Instant;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 34
            getstatic java.time.Duration.ZERO:Ljava/time/Duration;
            putstatic org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.UNLIMITED:Ljava/time/Duration;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(boolean);
    descriptor: (Z)V
    flags: (0x0000) 
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
        start local 1 // boolean neverExpire
         0: .line 44
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 40
            aload 0 /* this */
            new java.lang.ref.SoftReference
            dup
            aconst_null
            invokespecial java.lang.ref.SoftReference.<init>:(Ljava/lang/Object;)V
            putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.value:Ljava/lang/ref/SoftReference;
         2: .line 42
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.now:()Ljava/time/Instant;
            putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.lastAccessed:Ljava/time/Instant;
         3: .line 45
            aload 0 /* this */
            iload 1 /* neverExpire */
            putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.neverExpire:Z
         4: .line 46
            return
        end local 1 // boolean neverExpire
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;
            0    5     1  neverExpire  Z
    MethodParameters:
             Name  Flags
      neverExpire  

  public void enable();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
         0: .line 50
            aload 0 /* this */
            getstatic org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.UNLIMITED:Ljava/time/Duration;
            putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.timeToLive:Ljava/time/Duration;
         1: .line 51
            return
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;

  public void disable();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
         0: .line 55
            aload 0 /* this */
            aconst_null
            putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.timeToLive:Ljava/time/Duration;
         1: .line 56
            return
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;

  public void setTimeToLive(java.time.Duration);
    descriptor: (Ljava/time/Duration;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
        start local 1 // java.time.Duration timeToLive
         0: .line 60
            aload 0 /* this */
            aload 1 /* timeToLive */
            ifnull 1
            aload 1 /* timeToLive */
            invokevirtual java.time.Duration.isZero:()Z
            ifeq 2
      StackMap locals:
      StackMap stack: org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache
         1: aconst_null
            goto 3
      StackMap locals:
      StackMap stack: org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache
         2: aload 1 /* timeToLive */
      StackMap locals: org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache java.time.Duration
      StackMap stack: org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache java.time.Duration
         3: putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.timeToLive:Ljava/time/Duration;
         4: .line 61
            return
        end local 1 // java.time.Duration timeToLive
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    5     0        this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;
            0    5     1  timeToLive  Ljava/time/Duration;
    MethodParameters:
            Name  Flags
      timeToLive  

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
         0: .line 65
            aload 0 /* this */
            aconst_null
            putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.lastAccessed:Ljava/time/Instant;
         1: .line 66
            return
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;

  T get(java.util.function.Supplier<T>, java.util.function.UnaryOperator<T>);
    descriptor: (Ljava/util/function/Supplier;Ljava/util/function/UnaryOperator;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
        start local 1 // java.util.function.Supplier factory
        start local 2 // java.util.function.UnaryOperator refreshAction
         0: .line 75
            aload 0 /* this */
            invokevirtual org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.getValue:()Ljava/lang/Object;
            astore 3 /* value */
        start local 3 // java.lang.Object value
         1: .line 76
            aload 3 /* value */
            ifnonnull 5
         2: .line 77
            aload 2 /* refreshAction */
            aload 1 /* factory */
            invokeinterface java.util.function.Supplier.get:()Ljava/lang/Object;
            invokeinterface java.util.function.UnaryOperator.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 3 /* value */
         3: .line 78
            aload 0 /* this */
            aload 3 /* value */
            invokevirtual org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.setValue:(Ljava/lang/Object;)V
         4: .line 79
            goto 8
         5: .line 80
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.hasExpired:()Z
            ifeq 8
         6: .line 81
            aload 2 /* refreshAction */
            aload 3 /* value */
            invokeinterface java.util.function.UnaryOperator.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            astore 3 /* value */
         7: .line 82
            aload 0 /* this */
            aload 3 /* value */
            invokevirtual org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.setValue:(Ljava/lang/Object;)V
         8: .line 84
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.neverExpire:Z
            ifne 10
         9: .line 85
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.now:()Ljava/time/Instant;
            putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.lastAccessed:Ljava/time/Instant;
        10: .line 87
      StackMap locals:
      StackMap stack:
            aload 3 /* value */
            areturn
        end local 3 // java.lang.Object value
        end local 2 // java.util.function.UnaryOperator refreshAction
        end local 1 // java.util.function.Supplier factory
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   11     0           this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;
            0   11     1        factory  Ljava/util/function/Supplier<TT;>;
            0   11     2  refreshAction  Ljava/util/function/UnaryOperator<TT;>;
            1   11     3          value  TT;
    Signature: (Ljava/util/function/Supplier<TT;>;Ljava/util/function/UnaryOperator<TT;>;)TT;
    MethodParameters:
               Name  Flags
      factory        
      refreshAction  

  private boolean hasExpired();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
         0: .line 91
            aload 0 /* this */
            getfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.neverExpire:Z
            ifeq 2
         1: .line 92
            iconst_0
            ireturn
         2: .line 94
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.timeToLive:Ljava/time/Duration;
            astore 1 /* timeToLive */
        start local 1 // java.time.Duration timeToLive
         3: .line 95
            aload 0 /* this */
            getfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.lastAccessed:Ljava/time/Instant;
            astore 2 /* lastAccessed */
        start local 2 // java.time.Instant lastAccessed
         4: .line 96
            aload 1 /* timeToLive */
            ifnull 5
            aload 2 /* lastAccessed */
            ifnonnull 6
         5: .line 97
      StackMap locals: java.time.Duration java.time.Instant
      StackMap stack:
            iconst_1
            ireturn
         6: .line 99
      StackMap locals:
      StackMap stack:
            getstatic org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.UNLIMITED:Ljava/time/Duration;
            aload 1 /* timeToLive */
            invokevirtual java.time.Duration.equals:(Ljava/lang/Object;)Z
            ifne 7
            aload 0 /* this */
            invokevirtual org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.now:()Ljava/time/Instant;
            aload 2 /* lastAccessed */
            aload 1 /* timeToLive */
            invokevirtual java.time.Instant.plus:(Ljava/time/temporal/TemporalAmount;)Ljava/time/Instant;
            invokevirtual java.time.Instant.isAfter:(Ljava/time/Instant;)Z
            ifeq 7
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         7: iconst_0
            ireturn
        end local 2 // java.time.Instant lastAccessed
        end local 1 // java.time.Duration timeToLive
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    8     0          this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;
            3    8     1    timeToLive  Ljava/time/Duration;
            4    8     2  lastAccessed  Ljava/time/Instant;

  protected java.time.Instant now();
    descriptor: ()Ljava/time/Instant;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
         0: .line 103
            invokestatic java.time.Instant.now:()Ljava/time/Instant;
            areturn
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;

  protected T getValue();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
         0: .line 107
            aload 0 /* this */
            getfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.value:Ljava/lang/ref/SoftReference;
            invokevirtual java.lang.ref.SoftReference.get:()Ljava/lang/Object;
            areturn
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;
    Signature: ()TT;

  protected void setValue();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
        start local 1 // java.lang.Object value
         0: .line 111
            aload 0 /* this */
            new java.lang.ref.SoftReference
            dup
            aload 1 /* value */
            invokespecial java.lang.ref.SoftReference.<init>:(Ljava/lang/Object;)V
            putfield org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache.value:Ljava/lang/ref/SoftReference;
         1: .line 112
            return
        end local 1 // java.lang.Object value
        end local 0 // org.springframework.boot.context.properties.source.SoftReferenceConfigurationPropertyCache this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/springframework/boot/context/properties/source/SoftReferenceConfigurationPropertyCache<TT;>;
            0    2     1  value  TT;
    Signature: (TT;)V
    MethodParameters:
       Name  Flags
      value  
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Lorg/springframework/boot/context/properties/source/ConfigurationPropertyCaching;
SourceFile: "SoftReferenceConfigurationPropertyCache.java"