def cypher_prop_string(value):
	"""Convert property value to cypher string representation."""
	if isinstance(value, bool):
		return str(value).lower()
	elif isinstance(value, str):
		return f"'{value}'"
	elif isinstance(value, int):
		return f"{value}"
	else:
		raise ValueError(f'Unsupported property type: {type(value).__name__}.')