tests/cases/conformance/classes/constructorDeclarations/constructorParameters/readonlyInAmbientClass.ts(2,14): error TS2369: A parameter property is only allowed in a constructor implementation.
tests/cases/conformance/classes/constructorDeclarations/constructorParameters/readonlyInAmbientClass.ts(3,9): error TS2369: A parameter property is only allowed in a constructor implementation.


==== tests/cases/conformance/classes/constructorDeclarations/constructorParameters/readonlyInAmbientClass.ts (2 errors) ====
    declare class C{
    	constructor(readonly x: number);
    	            ~~~~~~~~~~~~~~~~~~
!!! error TS2369: A parameter property is only allowed in a constructor implementation.
    	method(readonly x: number);
    	       ~~~~~~~~~~~~~~~~~~
!!! error TS2369: A parameter property is only allowed in a constructor implementation.
    }