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tests/cases/conformance/es6/Symbols/symbolProperty34.ts(1,18): error TS2449: Class 'C2' used before its declaration.
tests/cases/conformance/es6/Symbols/symbolProperty34.ts(7,6): error TS1023: An index signature parameter type must be 'string' or 'number'.
==== tests/cases/conformance/es6/Symbols/symbolProperty34.ts (2 errors) ====
class C1 extends C2 {
~~
!!! error TS2449: Class 'C2' used before its declaration.
!!! related TS2728 tests/cases/conformance/es6/Symbols/symbolProperty34.ts:6:7: 'C2' is declared here.
[Symbol.toStringTag]() {
return { x: "" };
}
}
class C2 {
[s: symbol]: () => { x: number };
~
!!! error TS1023: An index signature parameter type must be 'string' or 'number'.
}
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