syntax_data: {"ast_node_type":"function","tokens":[{"end":94,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn generate_proc_macro_decls_symbol(&self, stable_crate_id: StableCrateId) -> String {
context_after:         format!("__rustc_proc_macro_decls_{:08x}__", stable_crate_id.as_u64())