clamp method
Implementation
TextExtmark clamp(int maxLength) {
final normalizedMark = normalized();
return TextExtmark(
id: id,
type: type,
startOffset: normalizedMark.startOffset.clamp(0, maxLength),
endOffset: normalizedMark.endOffset.clamp(0, maxLength),
virtual: virtual,
styleKey: styleKey,
priority: priority,
data: data,
);
}