http://github.com/google/tink: Tink is a small cryptographic library that provides a safe, simple, agile and fast way to accomplish some common cryptographic tasks. 
public final class com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder
  super_class: java.lang.Object
{
  private java.util.List<com.google.crypto.tink.signature.SignaturePemKeysetReader$PemKey> pemKeys;
    descriptor: Ljava/util/List;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/List<Lcom/google/crypto/tink/signature/SignaturePemKeysetReader$PemKey;>;

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder this
         0: .line 76
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 74
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder.pemKeys:Ljava/util/List;
         2: .line 76
            return
        end local 0 // com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/google/crypto/tink/signature/SignaturePemKeysetReader$Builder;

  public com.google.crypto.tink.KeysetReader build();
    descriptor: ()Lcom/google/crypto/tink/KeysetReader;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder this
         0: .line 79
            new com.google.crypto.tink.signature.SignaturePemKeysetReader
            dup
            aload 0 /* this */
            getfield com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder.pemKeys:Ljava/util/List;
            invokespecial com.google.crypto.tink.signature.SignaturePemKeysetReader.<init>:(Ljava/util/List;)V
            areturn
        end local 0 // com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/crypto/tink/signature/SignaturePemKeysetReader$Builder;

  public com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder addPem(java.lang.String, com.google.crypto.tink.subtle.PemKeyType);
    descriptor: (Ljava/lang/String;Lcom/google/crypto/tink/subtle/PemKeyType;)Lcom/google/crypto/tink/signature/SignaturePemKeysetReader$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=4, args_size=3
        start local 0 // com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder this
        start local 1 // java.lang.String pem
        start local 2 // com.google.crypto.tink.subtle.PemKeyType keyType
         0: .line 91
            new com.google.crypto.tink.signature.SignaturePemKeysetReader$PemKey
            dup
            invokespecial com.google.crypto.tink.signature.SignaturePemKeysetReader$PemKey.<init>:()V
            astore 3 /* pemKey */
        start local 3 // com.google.crypto.tink.signature.SignaturePemKeysetReader$PemKey pemKey
         1: .line 92
            aload 3 /* pemKey */
            new java.io.BufferedReader
            dup
            new java.io.StringReader
            dup
            aload 1 /* pem */
            invokespecial java.io.StringReader.<init>:(Ljava/lang/String;)V
            invokespecial java.io.BufferedReader.<init>:(Ljava/io/Reader;)V
            putfield com.google.crypto.tink.signature.SignaturePemKeysetReader$PemKey.reader:Ljava/io/BufferedReader;
         2: .line 93
            aload 3 /* pemKey */
            aload 2 /* keyType */
            putfield com.google.crypto.tink.signature.SignaturePemKeysetReader$PemKey.type:Lcom/google/crypto/tink/subtle/PemKeyType;
         3: .line 94
            aload 0 /* this */
            getfield com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder.pemKeys:Ljava/util/List;
            aload 3 /* pemKey */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         4: .line 95
            aload 0 /* this */
            areturn
        end local 3 // com.google.crypto.tink.signature.SignaturePemKeysetReader$PemKey pemKey
        end local 2 // com.google.crypto.tink.subtle.PemKeyType keyType
        end local 1 // java.lang.String pem
        end local 0 // com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Lcom/google/crypto/tink/signature/SignaturePemKeysetReader$Builder;
            0    5     1      pem  Ljava/lang/String;
            0    5     2  keyType  Lcom/google/crypto/tink/subtle/PemKeyType;
            1    5     3   pemKey  Lcom/google/crypto/tink/signature/SignaturePemKeysetReader$PemKey;
    MethodParameters:
         Name  Flags
      pem      
      keyType  
}
SourceFile: "SignaturePemKeysetReader.java"
NestHost: com.google.crypto.tink.signature.SignaturePemKeysetReader
InnerClasses:
  public final Builder = com.google.crypto.tink.signature.SignaturePemKeysetReader$Builder of com.google.crypto.tink.signature.SignaturePemKeysetReader
  private final PemKey = com.google.crypto.tink.signature.SignaturePemKeysetReader$PemKey of com.google.crypto.tink.signature.SignaturePemKeysetReader