verilator/test_regress/t/t_interface_notpublic.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2012 Iztok Jeras
// SPDX-License-Identifier: CC0-1.0

interface intf (
    input wire clk,
    input wire rst
);
  modport intf_modp(input clk, rst);
endinterface

module sub
// verilator public_on
(
    intf.intf_modp intf_port
);

  always @(posedge intf_port.clk) begin
    $write("*-* All Finished *-*\n");
    $finish;
  end
  // verilator public_off
endmodule

module t (
    clk
);
  input clk  /*verilator public*/;
  logic rst;
  intf the_intf (
      .clk,
      .rst
  );
  sub the_sub (.intf_port(the_intf));
endmodule