syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"Early(loc)"}]}
source_snippet:             Early(loc) => cursor.seek_before_primary_effect(loc),
context_before:             BlockEntry(block) => cursor.seek_to_block_entry(block),
context_after:             After(loc) => cursor.seek_after_primary_effect(loc),