visitOperation method
Visits the OperationState node.
Implementation
@override
void visitOperation(OperationState node) {
node.renderedValues = {};
node.source = _render(node.template, node.values, node.renderedValues);
node.result = _render(node.result, node.renderedValues, {}).trim();
node.source = _removeEmptyLines(node.source);
_notify(node);
}