==== tests/cases/compiler/paramPropertiesInSignatures.ts (5 errors) ====
    class C1 {
    	constructor(public p1:string); // ERROR
    	            ~~~~~~~~~~~~~~~~
!!! A parameter property is only allowed in a constructor implementation.
    	constructor(private p2:number); // ERROR
    	            ~~~~~~~~~~~~~~~~~
!!! A parameter property is only allowed in a constructor implementation.
    	constructor(public p3:any) {} // OK
    }
    
    declare class C2 {
    	constructor(public p1:string); // ERROR
    	            ~~~~~~~~~~~~~~~~
!!! A parameter property is only allowed in a constructor implementation.
    	constructor(private p2:number); // ERROR
    	            ~~~~~~~~~~~~~~~~~
!!! A parameter property is only allowed in a constructor implementation.
    	constructor(public p3:any); // ERROR
    	            ~~~~~~~~~~~~~
!!! A parameter property is only allowed in a constructor implementation.
    }