syntax_data: {"ast_node_type":"function","tokens":[{"end":69,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn LLVMIsFunctionVarArg(FunctionTy: LLVMTypeRef) -> LLVMBool;
context_before:     ) -> LLVMTypeRef;
context_after:     pub fn LLVMGetReturnType(FunctionTy: LLVMTypeRef) -> LLVMTypeRef;