swc/crates/swc_ecma_parser/tests/tsc/classAndInterfaceMergeConflictingMembers.ts

declare class C1 {
    public x : number;
}

interface C1 {
    x : number;
}

declare class C2 {
    protected x : number;
}

interface C2 {
    x : number;
}

declare class C3 {
    private x : number;
}

interface C3 {
    x : number;
}