{"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":"LLVMModuleFlagBehaviorAppend,"}]}
    LLVMModuleFlagBehaviorAppend,
    /// Appends the two values, which are required to be metadata nodes.
    /// Appends the two values, which are required to be metadata nodes. However, duplicate entries in the second list are dropped during the append operation.