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tooltips:
testdata/language-features/basic-values/bool01.lc 1:1-1:7  'Bool
testdata/language-features/basic-values/bool01.lc 1:10-1:14  'Bool
testdata/language-features/basic-values/bool01.lc 2:1-2:7  'Bool
testdata/language-features/basic-values/bool01.lc 2:10-2:15  'Bool