syntax_data: {"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// our candidates. So we walk over the candidates (from high to low priority) and check. We
context_before:     /// Once we pick what sort of test we are going to perform, this test will help us winnow down
context_after:     /// compute, for each outcome of the test, a list of (modified) candidates. If a candidate