code: @SuppressWarnings("unchecked")
  	public EList<IfcRelInteractionRequirements> getHasInteractionReqsTo() {
  		return (EList<IfcRelInteractionRequirements>) eGet(
  				Ifc2x3tc1Package.Literals.IFC_SPACE_PROGRAM__HAS_INTERACTION_REQS_TO, true);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated