How the annotation of this DocumentAnnotator should be printed as extra information after a one-word-per-line (OWPL) format.
How the annotation of this DocumentAnnotator should be printed as extra information after a one-word-per-line (OWPL) format. If there is no document annotation, return the empty string. Used in Document.owplString.
How the annotation of this DocumentAnnotator should be printed in one-word-per-line (OWPL) format.
How the annotation of this DocumentAnnotator should be printed in one-word-per-line (OWPL) format. If there is no per-token annotation, return null. Used in Document.owplString.
Used as a stand-in dummy DocumentAnnotator in the DocumentAnnotatorMap when an annotation was added but not by a real DocumentAnnotator.