package com.kickstarter.services.apiresponses;

import android.os.Parcelable;

import com.kickstarter.libs.qualifiers.AutoGson;
import com.kickstarter.models.Project;

import java.util.List;

import auto.parcel.AutoParcel;

@AutoGson
@AutoParcel
public abstract class DiscoverEnvelope implements Parcelable {
  public abstract List<Project> projects();
  public abstract UrlsEnvelope urls();

  @AutoGson
  @AutoParcel
  public abstract static class UrlsEnvelope implements Parcelable {
    public abstract ApiEnvelope api();

    @AutoGson
    @AutoParcel
    public abstract static class ApiEnvelope implements Parcelable {
      public abstract String moreProjects();

      @AutoParcel.Builder
      public abstract static class Builder {
        public abstract Builder moreProjects(String __);
        public abstract ApiEnvelope build();
      }

      public static Builder builder() {
        return new AutoParcel_DiscoverEnvelope_UrlsEnvelope_ApiEnvelope.Builder();
      }
    }

    @AutoParcel.Builder
    public abstract static class Builder {
      public abstract Builder api(ApiEnvelope __);
      public abstract UrlsEnvelope build();
    }

    public static Builder builder() {
      return new AutoParcel_DiscoverEnvelope_UrlsEnvelope.Builder();
    }
  }

  @AutoParcel.Builder
  public abstract static class Builder {
    public abstract Builder projects(List<Project> __);
    public abstract Builder urls(UrlsEnvelope __);
    public abstract DiscoverEnvelope build();
  }

  public static Builder builder() {
    return new AutoParcel_DiscoverEnvelope.Builder();
  }

  public abstract Builder toBuilder();
}

package com.kickstarter.services.apiresponses;

import android.os.Parcelable;

import com.kickstarter.libs.qualifiers.AutoGson;
import com.kickstarter.models.Project;

import java.util.List;

import auto.parcel.AutoParcel;

@AutoGson
@AutoParcel
public abstract class DiscoverEnvelope implements Parcelable {
  public abstract List<Project> projects();
  public abstract UrlsEnvelope urls();

  @AutoGson
  @AutoParcel
  public abstract static class UrlsEnvelope implements Parcelable {
    public abstract ApiEnvelope api();

    @AutoGson
    @AutoParcel
    public abstract static class ApiEnvelope implements Parcelable {
      public abstract String moreProjects();
    }
  }
}

--- 
+++ 
@@ -24,6 +24,39 @@
     @AutoParcel
     public abstract static class ApiEnvelope implements Parcelable {
       public abstract String moreProjects();
+
+      @AutoParcel.Builder
+      public abstract static class Builder {
+        public abstract Builder moreProjects(String __);
+        public abstract ApiEnvelope build();
+      }
+
+      public static Builder builder() {
+        return new AutoParcel_DiscoverEnvelope_UrlsEnvelope_ApiEnvelope.Builder();
+      }
+    }
+
+    @AutoParcel.Builder
+    public abstract static class Builder {
+      public abstract Builder api(ApiEnvelope __);
+      public abstract UrlsEnvelope build();
+    }
+
+    public static Builder builder() {
+      return new AutoParcel_DiscoverEnvelope_UrlsEnvelope.Builder();
     }
   }
+
+  @AutoParcel.Builder
+  public abstract static class Builder {
+    public abstract Builder projects(List<Project> __);
+    public abstract Builder urls(UrlsEnvelope __);
+    public abstract DiscoverEnvelope build();
+  }
+
+  public static Builder builder() {
+    return new AutoParcel_DiscoverEnvelope.Builder();
+  }
+
+  public abstract Builder toBuilder();
 }
Add builders for nested classes
