tests/cases/compiler/indexSignatureWithAccessibilityModifier.ts(2,6): error TS2369: A parameter property is only allowed in a constructor implementation.
tests/cases/compiler/indexSignatureWithAccessibilityModifier.ts(2,13): error TS1018: An index signature parameter cannot have an accessibility modifier.
tests/cases/compiler/indexSignatureWithAccessibilityModifier.ts(6,6): error TS2369: A parameter property is only allowed in a constructor implementation.
tests/cases/compiler/indexSignatureWithAccessibilityModifier.ts(6,13): error TS1018: An index signature parameter cannot have an accessibility modifier.


==== tests/cases/compiler/indexSignatureWithAccessibilityModifier.ts (4 errors) ====
    interface I {
        [public x: string]: string;
         ~~~~~~~~~~~~~~~~
!!! error TS2369: A parameter property is only allowed in a constructor implementation.
                ~
!!! error TS1018: An index signature parameter cannot have an accessibility modifier.
    }
    
    class C {
        [public x: string]: string
         ~~~~~~~~~~~~~~~~
!!! error TS2369: A parameter property is only allowed in a constructor implementation.
                ~
!!! error TS1018: An index signature parameter cannot have an accessibility modifier.
    }