public class io.dropwizard.configuration.EnvironmentVariableLookup extends org.apache.commons.text.StrLookup<java.lang.Object>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.dropwizard.configuration.EnvironmentVariableLookup
  super_class: org.apache.commons.text.StrLookup
{
  private final boolean strict;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.dropwizard.configuration.EnvironmentVariableLookup this
         0: .line 15
            aload 0 /* this */
            iconst_1
            invokespecial io.dropwizard.configuration.EnvironmentVariableLookup.<init>:(Z)V
         1: .line 16
            return
        end local 0 // io.dropwizard.configuration.EnvironmentVariableLookup this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/dropwizard/configuration/EnvironmentVariableLookup;

  public void <init>(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.dropwizard.configuration.EnvironmentVariableLookup this
        start local 1 // boolean strict
         0: .line 26
            aload 0 /* this */
            invokespecial org.apache.commons.text.StrLookup.<init>:()V
         1: .line 27
            aload 0 /* this */
            iload 1 /* strict */
            putfield io.dropwizard.configuration.EnvironmentVariableLookup.strict:Z
         2: .line 28
            return
        end local 1 // boolean strict
        end local 0 // io.dropwizard.configuration.EnvironmentVariableLookup this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lio/dropwizard/configuration/EnvironmentVariableLookup;
            0    3     1  strict  Z
    MethodParameters:
        Name  Flags
      strict  

  public java.lang.String lookup(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // io.dropwizard.configuration.EnvironmentVariableLookup this
        start local 1 // java.lang.String key
         0: .line 38
            aload 1 /* key */
            invokestatic java.lang.System.getenv:(Ljava/lang/String;)Ljava/lang/String;
            astore 2 /* value */
        start local 2 // java.lang.String value
         1: .line 40
            aload 2 /* value */
            ifnonnull 6
            aload 0 /* this */
            getfield io.dropwizard.configuration.EnvironmentVariableLookup.strict:Z
            ifeq 6
         2: .line 41
            new io.dropwizard.configuration.UndefinedEnvironmentVariableException
            dup
            new java.lang.StringBuilder
            dup
            ldc "The environment variable '"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* key */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         3: .line 42
            ldc "' is not defined; could not substitute the expression '${"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         4: .line 43
            aload 1 /* key */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "}'."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         5: .line 41
            invokespecial io.dropwizard.configuration.UndefinedEnvironmentVariableException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 46
      StackMap locals: java.lang.String
      StackMap stack:
            aload 2 /* value */
            areturn
        end local 2 // java.lang.String value
        end local 1 // java.lang.String key
        end local 0 // io.dropwizard.configuration.EnvironmentVariableLookup this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lio/dropwizard/configuration/EnvironmentVariableLookup;
            0    7     1    key  Ljava/lang/String;
            1    7     2  value  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      key   
}
Signature: Lorg/apache/commons/text/StrLookup<Ljava/lang/Object;>;
SourceFile: "EnvironmentVariableLookup.java"