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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _asQuartusTcl(self, buff: List[str], version: str, intfName: str, component: "Component", packager: "IpPackager", thisIf: 'Interface', intfMapOrName: Dict[str, Union[Dict, str]]):
 """ Add interface to Quartus tcl by specified name map :param buff: line buffer for output :param version: Quartus version :param intfName: name of top interface :param component: component object from ipcore generator :param packager: instance of IpPackager which is packagin current design :param thisIf: interface to add into Quartus TCL :param intfMapOrName: Quartus name string for this interface or dictionary to map subinterfaces """


        if isinstance(intfMapOrName, str):
            self.quartus_add_interface_port(
                buff, intfName, thisIf, intfMapOrName, packager)
        else:
            for thisIf_ in thisIf._interfaces:
                v = intfMapOrName[thisIf_._name]
                self._asQuartusTcl(buff, version, intfName, component,
                                   packager, thisIf_, v)