syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"#[deprecated(since"}]}
source_snippet:     #[deprecated(since = "191.0.0", note = "Use LLVMBuildNeg + LLVMSetNUW instead.")]
context_before:     ) -> LLVMValueRef;
context_after:     pub fn LLVMBuildNUWNeg(