toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (column != null) 'column': column!,
if (currentOffset != null) 'currentOffset': currentOffset!,
if (endOffset != null) 'endOffset': endOffset!,
if (fileName != null) 'fileName': fileName!,
if (line != null) 'line': line!,
};