The zero-based end index of the segment within the specified Part,
measured in UTF-8 bytes. This offset is exclusive, meaning the character
at this index is not included in the segment.
The zero-based start index of the segment within the specified Part,
measured in UTF-8 bytes. This offset is inclusive, starting from 0 at the
beginning of the part's content (e.g., Part.text).
The text corresponding to the segment from the response.
Represents a specific segment within a Content object, often used to pinpoint the exact location of text or data that grounding information refers to.