@staticmethod
def sanitize(value):
    """
        Measurements, tag keys, tag values, and field keys are always strings.
        For tag keys, tag values, and field keys always use a backslash character `\\` to escape:
        commas `,`, equal signas `=`, spaces.
        """
    return value.replace(',', '\\,').replace(' ', '\\ ').replace('=', '\\='
        ).lower()
