syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"link_script:"}]}
source_snippet:     link_script: Option<StaticCow<str>>,
context_before:     post_link_args_json: Option<LinkArgsCli>,
context_after:     link_env: Option<Vec<StaticCow<str>>>,