http://nexus.sonatype.org/oss-repository-hosting.html/vertx-parent/vertx-core: Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/ (Eclipse) 
public class io.vertx.core.net.ClientOptionsBaseConverter
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.vertx.core.net.ClientOptionsBaseConverter
  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 // io.vertx.core.net.ClientOptionsBaseConverter this
         0: .line 13
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // io.vertx.core.net.ClientOptionsBaseConverter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/vertx/core/net/ClientOptionsBaseConverter;

  static void fromJson(java.lang.Iterable<java.util.Map$Entry<java.lang.String, java.lang.Object>>, io.vertx.core.net.ClientOptionsBase);
    descriptor: (Ljava/lang/Iterable;Lio/vertx/core/net/ClientOptionsBase;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=5, args_size=2
        start local 0 // java.lang.Iterable json
        start local 1 // io.vertx.core.net.ClientOptionsBase obj
         0: .line 17
            aload 0 /* json */
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 3
            goto 22
      StackMap locals: java.lang.Iterable io.vertx.core.net.ClientOptionsBase top java.util.Iterator
      StackMap stack:
         1: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 2 /* member */
        start local 2 // java.util.Map$Entry member
         2: .line 18
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.String
            dup
            astore 4
            invokevirtual java.lang.String.hashCode:()I
            lookupswitch { // 5
          -1720085010: 3
           -359698153: 4
           1235835984: 5
           1715418633: 6
           1858077737: 7
              default: 22
          }
      StackMap locals: java.lang.Iterable io.vertx.core.net.ClientOptionsBase java.util.Map$Entry java.util.Iterator java.lang.String
      StackMap stack:
         3: aload 4
            ldc "metricsName"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 14
            goto 22
      StackMap locals:
      StackMap stack:
         4: aload 4
            ldc "connectTimeout"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 8
            goto 22
      StackMap locals:
      StackMap stack:
         5: aload 4
            ldc "proxyOptions"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 17
            goto 22
      StackMap locals:
      StackMap stack:
         6: aload 4
            ldc "localAddress"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 11
            goto 22
      StackMap locals:
      StackMap stack:
         7: aload 4
            ldc "trustAll"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 20
            goto 22
         8: .line 20
      StackMap locals:
      StackMap stack:
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            instanceof java.lang.Number
            ifeq 22
         9: .line 21
            aload 1 /* obj */
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.Number
            invokevirtual java.lang.Number.intValue:()I
            invokevirtual io.vertx.core.net.ClientOptionsBase.setConnectTimeout:(I)Lio/vertx/core/net/ClientOptionsBase;
            pop
        10: .line 23
            goto 22
        11: .line 25
      StackMap locals:
      StackMap stack:
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            instanceof java.lang.String
            ifeq 22
        12: .line 26
            aload 1 /* obj */
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.String
            invokevirtual io.vertx.core.net.ClientOptionsBase.setLocalAddress:(Ljava/lang/String;)Lio/vertx/core/net/ClientOptionsBase;
            pop
        13: .line 28
            goto 22
        14: .line 30
      StackMap locals:
      StackMap stack:
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            instanceof java.lang.String
            ifeq 22
        15: .line 31
            aload 1 /* obj */
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.String
            invokevirtual io.vertx.core.net.ClientOptionsBase.setMetricsName:(Ljava/lang/String;)Lio/vertx/core/net/ClientOptionsBase;
            pop
        16: .line 33
            goto 22
        17: .line 35
      StackMap locals:
      StackMap stack:
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            instanceof io.vertx.core.json.JsonObject
            ifeq 22
        18: .line 36
            aload 1 /* obj */
            new io.vertx.core.net.ProxyOptions
            dup
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast io.vertx.core.json.JsonObject
            invokespecial io.vertx.core.net.ProxyOptions.<init>:(Lio/vertx/core/json/JsonObject;)V
            invokevirtual io.vertx.core.net.ClientOptionsBase.setProxyOptions:(Lio/vertx/core/net/ProxyOptions;)Lio/vertx/core/net/ClientOptionsBase;
            pop
        19: .line 38
            goto 22
        20: .line 40
      StackMap locals:
      StackMap stack:
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            instanceof java.lang.Boolean
            ifeq 22
        21: .line 41
            aload 1 /* obj */
            aload 2 /* member */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.Boolean
            invokevirtual java.lang.Boolean.booleanValue:()Z
            invokevirtual io.vertx.core.net.ClientOptionsBase.setTrustAll:(Z)Lio/vertx/core/net/ClientOptionsBase;
            pop
        end local 2 // java.util.Map$Entry member
        22: .line 17
      StackMap locals: java.lang.Iterable io.vertx.core.net.ClientOptionsBase top java.util.Iterator
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
        23: .line 46
            return
        end local 1 // io.vertx.core.net.ClientOptionsBase obj
        end local 0 // java.lang.Iterable json
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   24     0    json  Ljava/lang/Iterable<Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/Object;>;>;
            0   24     1     obj  Lio/vertx/core/net/ClientOptionsBase;
            2   22     2  member  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/Object;>;
    Signature: (Ljava/lang/Iterable<Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/Object;>;>;Lio/vertx/core/net/ClientOptionsBase;)V
    MethodParameters:
      Name  Flags
      json  
      obj   

  static void toJson(io.vertx.core.net.ClientOptionsBase, io.vertx.core.json.JsonObject);
    descriptor: (Lio/vertx/core/net/ClientOptionsBase;Lio/vertx/core/json/JsonObject;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.vertx.core.net.ClientOptionsBase obj
        start local 1 // io.vertx.core.json.JsonObject json
         0: .line 49
            aload 0 /* obj */
            aload 1 /* json */
            invokevirtual io.vertx.core.json.JsonObject.getMap:()Ljava/util/Map;
            invokestatic io.vertx.core.net.ClientOptionsBaseConverter.toJson:(Lio/vertx/core/net/ClientOptionsBase;Ljava/util/Map;)V
         1: .line 50
            return
        end local 1 // io.vertx.core.json.JsonObject json
        end local 0 // io.vertx.core.net.ClientOptionsBase obj
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0   obj  Lio/vertx/core/net/ClientOptionsBase;
            0    2     1  json  Lio/vertx/core/json/JsonObject;
    MethodParameters:
      Name  Flags
      obj   
      json  

  static void toJson(io.vertx.core.net.ClientOptionsBase, java.util.Map<java.lang.String, java.lang.Object>);
    descriptor: (Lio/vertx/core/net/ClientOptionsBase;Ljava/util/Map;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.vertx.core.net.ClientOptionsBase obj
        start local 1 // java.util.Map json
         0: .line 53
            aload 1 /* json */
            ldc "connectTimeout"
            aload 0 /* obj */
            invokevirtual io.vertx.core.net.ClientOptionsBase.getConnectTimeout:()I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 54
            aload 0 /* obj */
            invokevirtual io.vertx.core.net.ClientOptionsBase.getLocalAddress:()Ljava/lang/String;
            ifnull 3
         2: .line 55
            aload 1 /* json */
            ldc "localAddress"
            aload 0 /* obj */
            invokevirtual io.vertx.core.net.ClientOptionsBase.getLocalAddress:()Ljava/lang/String;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 57
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            invokevirtual io.vertx.core.net.ClientOptionsBase.getMetricsName:()Ljava/lang/String;
            ifnull 5
         4: .line 58
            aload 1 /* json */
            ldc "metricsName"
            aload 0 /* obj */
            invokevirtual io.vertx.core.net.ClientOptionsBase.getMetricsName:()Ljava/lang/String;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 60
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            invokevirtual io.vertx.core.net.ClientOptionsBase.getProxyOptions:()Lio/vertx/core/net/ProxyOptions;
            ifnull 7
         6: .line 61
            aload 1 /* json */
            ldc "proxyOptions"
            aload 0 /* obj */
            invokevirtual io.vertx.core.net.ClientOptionsBase.getProxyOptions:()Lio/vertx/core/net/ProxyOptions;
            invokevirtual io.vertx.core.net.ProxyOptions.toJson:()Lio/vertx/core/json/JsonObject;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 63
      StackMap locals:
      StackMap stack:
            aload 1 /* json */
            ldc "trustAll"
            aload 0 /* obj */
            invokevirtual io.vertx.core.net.ClientOptionsBase.isTrustAll:()Z
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         8: .line 64
            return
        end local 1 // java.util.Map json
        end local 0 // io.vertx.core.net.ClientOptionsBase obj
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0   obj  Lio/vertx/core/net/ClientOptionsBase;
            0    9     1  json  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;
    Signature: (Lio/vertx/core/net/ClientOptionsBase;Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;)V
    MethodParameters:
      Name  Flags
      obj   
      json  
}
SourceFile: "ClientOptionsBaseConverter.java"
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map