public Builder addExposedPorts(@Nullable Set<Port> exposedPorts) {
      if (exposedPorts != null) {
        exposedPortsBuilder.addAll(exposedPorts);
      }
      return this;
    }
Adds items to the "ExposedPorts" field in the container configuration.

@param exposedPorts the exposed ports to add
@return this
jib-core/src/main/java/com/google/cloud/tools/jib/image/Image.java