cpython/Include/internal/pycore_namespace.h

// Simple namespace object interface

#ifndef Py_INTERNAL_NAMESPACE_H
#define Py_INTERNAL_NAMESPACE_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

extern PyTypeObject _PyNamespace_Type;

// Export for '_testmultiphase' shared extension
PyAPI_FUNC(PyObject*) _PyNamespace_New(PyObject *kwds);

#ifdef __cplusplus
}
#endif
#endif  // !Py_INTERNAL_NAMESPACE_H