package io.appium.java_client.android;

import static io.appium.java_client.android.AndroidMobileCommandHelper.getDisplayDensityCommand;
import static io.appium.java_client.android.AndroidMobileCommandHelper.getSystemBarsCommand;

import io.appium.java_client.CommandExecutionHelper;
import io.appium.java_client.ExecutesMethod;

import java.util.Map;

public interface HasAndroidDeviceDetails extends ExecutesMethod {

    /*
        Retrieve the display density of the Android device.
     */
    default Long getDisplayDensity() {
        return CommandExecutionHelper.execute(this, getDisplayDensityCommand());
    }

    /*
        Retrieve visibility and bounds information of the status and navigation bars.
     */
    default Map<String, String> getSystemBars() {
        return CommandExecutionHelper.execute(this, getSystemBarsCommand());
    }

}

package io.appium.java_client.android;

import static io.appium.java_client.android.AndroidMobileCommandHelper.getDisplayDensityCommand;
import static io.appium.java_client.android.AndroidMobileCommandHelper.getSystemBarsCommand;

import io.appium.java_client.CommandExecutionHelper;
import io.appium.java_client.ExecutesMethod;

import java.util.Map;

public interface HasAndroidDeviceDetails extends ExecutesMethod {

    /**
     Retrieve the display density of the Android device.

     @return The density value in dpi
     */
    default Long getDisplayDensity() {
        return CommandExecutionHelper.execute(this, getDisplayDensityCommand());
    }

    /**
     Retrieve visibility and bounds information of the status and navigation bars.

     @return The map where keys are bar types and values are mappings of bar properties.
     */
    default Map<String, Map<String, Object>> getSystemBars() {
        return CommandExecutionHelper.execute(this, getSystemBarsCommand());
    }

}

Fix the return type for getSystemBars call (#1230)