syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Only valid on functions, and only if LLVMHasPrefixData returns true.
context_before:     ///
context_after:     pub fn LLVMGetPrefixData(Fn: LLVMValueRef) -> LLVMValueRef;