The alignment operation type. See AlignOp for values.
Index of the token in the reference text (-1 for insertions)
Index of the token in the recognized text (-1 for deletions)
The token from the reference text (empty for insertions)
The token from the recognized text (empty for deletions)
An individual item in an alignment trace, representing a single alignment operation.
The trace shows how each token in the reference and recognized texts were aligned.
Example