syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"FeatureDiagnosticSuggestion,"}]}
source_snippet:     FeatureDiagnosticSuggestion, FeatureGateError, SuggestUpgradeCompiler,
context_before:     CliFeatureDiagnosticHelp, FeatureDiagnosticForIssue, FeatureDiagnosticHelp,
context_after: };