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tests/cases/conformance/types/primitives/boolean/assignFromBooleanInterface.ts(3,1): error TS2322: Type 'Boolean' is not assignable to type 'boolean'.
'boolean' is a primitive, but 'Boolean' is a wrapper object. Prefer using 'boolean' when possible.
==== tests/cases/conformance/types/primitives/boolean/assignFromBooleanInterface.ts (1 errors) ====
var x = true;
var a: Boolean;
x = a;
~
!!! error TS2322: Type 'Boolean' is not assignable to type 'boolean'.
!!! error TS2322: 'boolean' is a primitive, but 'Boolean' is a wrapper object. Prefer using 'boolean' when possible.
a = x;
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