If the specified severity is greater than the current value of this->severity(), then set this object's severity to severity, line number to the specified lineNumber, column number to the specified columnNumber, source name to the specified source, and error message to the specified errorMsg, otherwise do nothing.
Declared in <balxml_errorinfo.h>
void
setError(
Severity severity,
int lineNumber,
int columnNumber,
std::string_view const& source,
std::string_view const& errorMsg);