==== tests/cases/compiler/exportAssignValueAndType.ts (1 errors) ====
    declare module http {
        export interface Server { openPort: number; }
    }
    
    interface server {
        (): http.Server;
            ~~~~~~~~~~~
!!! exportAssignValueAndType.ts(6,9): error TS2053: Return type of call signature from exported interface has or is using private type 'http.Server'.
        startTime: Date;
    }
     
    var x = 5;
    var server = new Date();
    export = server;
     
    