syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Replace an operand at a specific index in a llvm::MDNode value.
context_before:     pub fn LLVMGetMDNodeOperands(V: LLVMValueRef, Dest: *mut LLVMValueRef);
context_after:     pub fn LLVMReplaceMDNodeOperandWith(