The group number for the highlight. A single string can have the same term highlighted multiple times. This allows to regroup the different highlights.
The string that represent the highlight. A single string can have the same term highlighted multiple times. This allows to regroup the different highlights.
The length of the offset.
The 0 based offset inside the string where the highlight should start.
A highlight structure, as returned by the index. This structure can be used to do the actual highlighting job.