def _unpack_text_into_properties(self) -> None:

"""Unpacks the text field into properties"""

text = self.text

end = len(text)

if end == 0:

if not text:

# Properties should be set atomically

# in case another thread is reading them

self._properties = {}

return

result: Dict[Union[str, bytes], Optional[Union[str, bytes]]] = {}

index = 0

strs: List[bytes] = []

pairs: List[bytes] = []

end = len(text)

while index < end:

length = text[index]

index += 1

strs.append(text[index : index + length])

pairs.append(text[index : index + length])

index += length

for s in strs:

key, _, value = s.partition(b'=')

# Only update non-existent properties

if key and key not in result:

result[key] = value or None

# Properties should be set atomically

# in case another thread is reading them

self._properties = result

# Reverse the list so that the first item in the list

# is the last item in the text field. This is important

# to preserve backwards compatibility where the first

# key always wins if the key is seen multiple times.

pairs.reverse()

self._properties = {key: value or None for key, _, value in (pair.partition(b'=') for pair in pairs)}

def get_name(self) -> str:

"""Name accessor"""