docs: public PractitionerPractitionerRoleComponent addPractitionerRole() { //3
        PractitionerPractitionerRoleComponent t = new PractitionerPractitionerRoleComponent();
        if (this.practitionerRole == null)
          this.practitionerRole = new ArrayList<PractitionerPractitionerRoleComponent>();
        this.practitionerRole.add(t);
        return t;
      }