Add accessor for the extension field.

src/main/java/org/w3id/cwl/cwl1_1/ArraySchemaImpl.java

@@ -27,6 +27,9 @@ public class ArraySchemaImpl extends SaveableImpl implements ArraySchema {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private Object items;
 

src/main/java/org/w3id/cwl/cwl1_1/CWLArraySchemaImpl.java

@@ -27,6 +27,9 @@ public class CWLArraySchemaImpl extends SaveableImpl implements CWLArraySchema {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private Object items;
 

src/main/java/org/w3id/cwl/cwl1_1/CWLRecordFieldImpl.java

@@ -27,6 +27,9 @@ public class CWLRecordFieldImpl extends SaveableImpl implements CWLRecordField {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private String name;
 

src/main/java/org/w3id/cwl/cwl1_1/CWLRecordSchemaImpl.java

@@ -27,6 +27,9 @@ public class CWLRecordSchemaImpl extends SaveableImpl implements CWLRecordSchema
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<java.util.List<Object>> fields;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandInputArraySchemaImpl.java

@@ -27,6 +27,9 @@ public class CommandInputArraySchemaImpl extends SaveableImpl implements Command
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandInputEnumSchemaImpl.java

@@ -27,6 +27,9 @@ public class CommandInputEnumSchemaImpl extends SaveableImpl implements CommandI
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandInputParameterImpl.java

@@ -28,6 +28,9 @@ public class CommandInputParameterImpl extends SaveableImpl implements CommandIn
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> id;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandInputRecordFieldImpl.java

@@ -27,6 +27,9 @@ public class CommandInputRecordFieldImpl extends SaveableImpl implements Command
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private String name;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandInputRecordSchemaImpl.java

@@ -27,6 +27,9 @@ public class CommandInputRecordSchemaImpl extends SaveableImpl implements Comman
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandLineBindableImpl.java

@@ -27,6 +27,9 @@ public class CommandLineBindableImpl extends SaveableImpl implements CommandLine
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<CommandLineBinding> inputBinding;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandLineBindingImpl.java

@@ -63,6 +63,9 @@ public class CommandLineBindingImpl extends SaveableImpl implements CommandLineB
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<Boolean> loadContents;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandLineToolImpl.java

@@ -29,6 +29,9 @@ public class CommandLineToolImpl extends SaveableImpl implements CommandLineTool
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> id;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandOutputArraySchemaImpl.java

@@ -27,6 +27,9 @@ public class CommandOutputArraySchemaImpl extends SaveableImpl implements Comman
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandOutputBindingImpl.java

@@ -38,6 +38,9 @@ public class CommandOutputBindingImpl extends SaveableImpl implements CommandOut
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<Boolean> loadContents;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandOutputEnumSchemaImpl.java

@@ -27,6 +27,9 @@ public class CommandOutputEnumSchemaImpl extends SaveableImpl implements Command
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandOutputParameterImpl.java

@@ -28,6 +28,9 @@ public class CommandOutputParameterImpl extends SaveableImpl implements CommandO
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> id;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandOutputRecordFieldImpl.java

@@ -27,6 +27,9 @@ public class CommandOutputRecordFieldImpl extends SaveableImpl implements Comman
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private String name;
 

src/main/java/org/w3id/cwl/cwl1_1/CommandOutputRecordSchemaImpl.java

@@ -27,6 +27,9 @@ public class CommandOutputRecordSchemaImpl extends SaveableImpl implements Comma
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/DirectoryImpl.java

@@ -71,6 +71,9 @@ public class DirectoryImpl extends SaveableImpl implements Directory {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private Directory_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/DirentImpl.java

@@ -32,6 +32,9 @@ public class DirentImpl extends SaveableImpl implements Dirent {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private Object entryname;
 

src/main/java/org/w3id/cwl/cwl1_1/DockerRequirementImpl.java

@@ -79,6 +79,9 @@ public class DockerRequirementImpl extends SaveableImpl implements DockerRequire
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private DockerRequirement_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/EnumSchemaImpl.java

@@ -29,6 +29,9 @@ public class EnumSchemaImpl extends SaveableImpl implements EnumSchema {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/EnvVarRequirementImpl.java

@@ -30,6 +30,9 @@ public class EnvVarRequirementImpl extends SaveableImpl implements EnvVarRequire
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private EnvVarRequirement_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/EnvironmentDefImpl.java

@@ -31,6 +31,9 @@ public class EnvironmentDefImpl extends SaveableImpl implements EnvironmentDef {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private String envName;
 

src/main/java/org/w3id/cwl/cwl1_1/ExpressionToolImpl.java

@@ -35,6 +35,9 @@ public class ExpressionToolImpl extends SaveableImpl implements ExpressionTool {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> id;
 

src/main/java/org/w3id/cwl/cwl1_1/ExpressionToolOutputParameterImpl.java

@@ -27,6 +27,9 @@ public class ExpressionToolOutputParameterImpl extends SaveableImpl implements E
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> id;
 

src/main/java/org/w3id/cwl/cwl1_1/FileImpl.java

@@ -94,6 +94,9 @@ public class FileImpl extends SaveableImpl implements File {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private File_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/InitialWorkDirRequirementImpl.java

@@ -28,6 +28,9 @@ public class InitialWorkDirRequirementImpl extends SaveableImpl implements Initi
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private InitialWorkDirRequirement_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/InlineJavascriptRequirementImpl.java

@@ -31,6 +31,9 @@ public class InlineJavascriptRequirementImpl extends SaveableImpl implements Inl
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private InlineJavascriptRequirement_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/InplaceUpdateRequirementImpl.java

@@ -58,6 +58,9 @@ public class InplaceUpdateRequirementImpl extends SaveableImpl implements Inplac
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private InplaceUpdateRequirement_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/InputArraySchemaImpl.java

@@ -27,6 +27,9 @@ public class InputArraySchemaImpl extends SaveableImpl implements InputArraySche
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/InputBindingImpl.java

@@ -27,6 +27,9 @@ public class InputBindingImpl extends SaveableImpl implements InputBinding {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<Boolean> loadContents;
 

src/main/java/org/w3id/cwl/cwl1_1/InputEnumSchemaImpl.java

@@ -27,6 +27,9 @@ public class InputEnumSchemaImpl extends SaveableImpl implements InputEnumSchema
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/InputRecordFieldImpl.java

@@ -27,6 +27,9 @@ public class InputRecordFieldImpl extends SaveableImpl implements InputRecordFie
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private String name;
 

src/main/java/org/w3id/cwl/cwl1_1/InputRecordSchemaImpl.java

@@ -27,6 +27,9 @@ public class InputRecordSchemaImpl extends SaveableImpl implements InputRecordSc
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;
 

src/main/java/org/w3id/cwl/cwl1_1/LoadListingRequirementImpl.java

@@ -30,6 +30,9 @@ public class LoadListingRequirementImpl extends SaveableImpl implements LoadList
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private LoadListingRequirement_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/MapSchemaImpl.java

@@ -27,6 +27,9 @@ public class MapSchemaImpl extends SaveableImpl implements MapSchema {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private Map_name type;
 

src/main/java/org/w3id/cwl/cwl1_1/MultipleInputFeatureRequirementImpl.java

@@ -30,6 +30,9 @@ public class MultipleInputFeatureRequirementImpl extends SaveableImpl implements
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private MultipleInputFeatureRequirement_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/NetworkAccessImpl.java

@@ -43,6 +43,9 @@ public class NetworkAccessImpl extends SaveableImpl implements NetworkAccess {
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private NetworkAccess_class class_;
 

src/main/java/org/w3id/cwl/cwl1_1/OutputArraySchemaImpl.java

@@ -27,6 +27,9 @@ public class OutputArraySchemaImpl extends SaveableImpl implements OutputArraySc
   private LoadingOptions loadingOptions_ = new LoadingOptionsBuilder().build();
   private java.util.Map<String, Object> extensionFields_ =
       new java.util.HashMap<String, Object>();
+  public java.util.Map<String, Object> getExtensionFields() {
+    return this.extensionFields_;
+  }
 
   private java.util.Optional<String> name;