code: func (pe *PathExp) Contains(other *PathExp) bool {
  	return pe.Org.Contains(other.Org.String()) &&
  		pe.Project.Contains(other.Project.String()) &&
  		pe.Envs.Contains(other.Envs.String()) &&
  		pe.Services.Contains(other.Services.String()) &&
  		pe.Identities.Contains(other.Identities.String()) &&
  		pe.Instances.Contains(other.Instances.String())
  }
docs: // Contains returns whether this path contains the subject. A path Contains
  // another if it resolves to the other or they are equal.