index.ts(1,10): error TS1294: This syntax is not allowed when 'erasableSyntaxOnly' is enabled.
index.ts(1,19): error TS1005: '>' expected.
index.ts(2,9): error TS1294: This syntax is not allowed when 'erasableSyntaxOnly' is enabled.
index.ts(2,18): error TS1005: '>' expected.
index.ts(3,9): error TS1294: This syntax is not allowed when 'erasableSyntaxOnly' is enabled.
index.ts(3,17): error TS1005: '>' expected.


==== index.ts (6 errors) ====
    let a = (<unknown function foo() {});
             ~~~~~~~~
!!! error TS1294: This syntax is not allowed when 'erasableSyntaxOnly' is enabled.
                      ~~~~~~~~
!!! error TS1005: '>' expected.
    let b = <unknown 123;
            ~~~~~~~~
!!! error TS1294: This syntax is not allowed when 'erasableSyntaxOnly' is enabled.
                     ~~~
!!! error TS1005: '>' expected.
    let c = <unknown
            ~~~~~~~~
!!! error TS1294: This syntax is not allowed when 'erasableSyntaxOnly' is enabled.
                    
!!! error TS1005: '>' expected.