in lib/generator.js [696:709]
visitParams(ast, level) {
assert.equal(ast.type, 'params');
this.emit('(');
for (var i = 0; i < ast.params.length; i++) {
if (i !== 0) {
this.emit(', ');
}
const node = ast.params[i];
assert.equal(node.type, 'param');
const name = _name(node.paramName);
this.emit(`$${_avoidKeywords(name)}`);
}
this.emit(')');
}