get the line number . one-based . concode_field_sep int charno concode_elem_sep Node node concode_elem_sep CheckLevel level concode_elem_sep CheckLevel defaultLevel concode_elem_sep String description concode_elem_sep String sourceName concode_elem_sep DiagnosticType type concode_elem_sep int lineNumber concode_field_sep int getCharno concode_elem_sep DiagnosticType getType concode_elem_sep int hashCode concode_elem_sep int getNodeLength concode_elem_sep CheckLevel getDefaultLevel concode_elem_sep boolean equals concode_elem_sep String format concode_elem_sep int getNodeSourceOffset concode_elem_sep String toString concode_elem_sep JSError make concode_elem_sep JSError make concode_elem_sep JSError make concode_elem_sep JSError make concode_elem_sep JSError make
int function ( ) { return lineNumber ; }