{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"//!"}]}
//! For example, there are many [attributes](https://www.graphviz.org/doc/info/attrs.html)
//! expressiveness of the [DOT language](https://www.graphviz.org/doc/info/lang.html).
//! related to providing layout hints (e.g., left-to-right versus top-down, which