public void removeSdkReferenceItem(@NotNull SdkReferenceItem item) {
    ImmutableList.Builder<SdkReferenceItem> builder = ImmutableList.builder();
    for (SdkReferenceItem element : myReferenceItems) {
      if (Objects.equals(element, item)) continue;

      builder.add(element);
    }

    myReferenceItems = builder.build();
    syncModel();
  }
public void removeSdkReferenceItem(@NotNull SdkReferenceItem item)