function getLineNumberOfTokenBefore(node) {
			const tokenBefore = sourceCode.getTokenBefore(node);
			let lineNumTokenBefore;

			/**
			 * Global return (at the beginning of a script) is a special case.
			 * If there is no token before `return`, then we expect no line
			 * break before the return. Comments are allowed to occupy lines
			 * before the global return, just no blank lines.
			 * Setting lineNumTokenBefore to zero in that case results in the
			 * desired behavior.
			 */
			if (tokenBefore) {
				lineNumTokenBefore = tokenBefore.loc.end.line;
			} else {
				lineNumTokenBefore = 0; // global return at beginning of script
			}

			return lineNumTokenBefore;
		}
Returns the line number of the token before the node that is passed in as an argument
@param {ASTNode} node The node to use as the start of the calculation
@returns {number} Line number of the token before `node`
@private