syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"base.metadata.tier"}]}
source_snippet:             base.metadata.tier = metadata.tier.filter(|tier| (1..=3).contains(tier));
context_before:             base.metadata.description = metadata.description;
context_after:             base.metadata.host_tools = metadata.host_tools;