code: public LoadPermissionModifications withAdd(LoadPermissionRequest... add) {
          if (this.add == null) {
              setAdd(new com.amazonaws.internal.SdkInternalList<LoadPermissionRequest>(add.length));
          }
          for (LoadPermissionRequest ele : add) {
              this.add.add(ele);
          }
          return this;
      }
docs: <p>
  The load permissions to add.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setAdd(java.util.Collection)} or {@link #withAdd(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param add
  The load permissions to add.
  @return Returns a reference to this object so that method calls can be chained together.