syntax_data: {"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":"!self.is_private_dep(key)"}]}
source_snippet:         !self.is_private_dep(key)
context_before:         // | No      | No     | Yes     | !false || false |
context_after:             // If `extern_crate` is `None`, then the crate was injected (e.g., by the allocator).