{{#if (isHexString value)}}
  chip::ByteSpan(chip::Uint8::from_const_char("{{octetStringFromHexString value}}{{extraGarbage}}"), {{octetStringLengthFromHexString value}})
{{else}}
  chip::ByteSpan(chip::Uint8::from_const_char("{{octetStringEscapedForCLiteral value}}{{extraGarbage}}"), {{value.length}})
{{/if}}