syntax_data: {"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"self.dcx().emit_err(errors::AppleDeploymentTarget::Invalid"}]}
source_snippet:                     self.dcx().emit_err(errors::AppleDeploymentTarget::Invalid { env_var, error });
context_before:                 Err(error) => {
context_after:                     min