Is the provided W3c span id (aka. parent id) a valid string representation, it must be a 16-character
string of lowercase hexadecimal characters, for example, 00f067aa0ba902b7.
If all characters are zero (0000000000000000) this is considered an invalid value.
Is the provided W3c span id (aka. parent id) a valid string representation, it must be a 16-character string of lowercase hexadecimal characters, for example, 00f067aa0ba902b7. If all characters are zero (0000000000000000) this is considered an invalid value.