@Nullable
  public String findModule(@NotNull ProjectCoordinate id) {
    if (StringUtil.isEmpty(id.getArtifactId())) return null;
    String result = myModuleMappingById.get(id);
    return result == null && id.getVersion() != null
           ? myModuleMappingById.get(new ProjectId(id.getGroupId(), id.getArtifactId(), null))
           : result;
  }
@Nullable
  public String findModule(@NotNull ProjectCoordinate id)