code: public UpdateThingGroupsForThingRequest withThingGroupsToRemove(String... thingGroupsToRemove) {
          if (this.thingGroupsToRemove == null) {
              setThingGroupsToRemove(new java.util.ArrayList<String>(thingGroupsToRemove.length));
          }
          for (String ele : thingGroupsToRemove) {
              this.thingGroupsToRemove.add(ele);
          }
          return this;
      }
docs: <p>
  The groups from which the thing will be removed.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setThingGroupsToRemove(java.util.Collection)} or {@link #withThingGroupsToRemove(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param thingGroupsToRemove
  The groups from which the thing will be removed.
  @return Returns a reference to this object so that method calls can be chained together.