import { DeviceType } from "./permission-checker.constants";
export declare function detectDeviceType(): DeviceType;
/**
 * Request microphone permission
 * @returns Promise resolving to an object with success status and optional error
 */
export declare function requestMicrophonePermission(): Promise<{
    granted: boolean;
    error?: any;
}>;
/**
 * Request location permission
 * @returns Promise resolving to an object with success status and optional error
 */
export declare function requestLocationPermission(): Promise<{
    granted: boolean;
    error?: any;
}>;
/**
 * Checks if the device has both front and back cameras
 * @returns Promise that resolves to an object containing camera availability info
 */
export declare function checkCameraAvailability(): Promise<{
    isFrontCamera: boolean;
    isBackCamera: boolean;
    error?: any;
}>;
/**
 * Tests the front camera
 * @returns Promise resolving to result object with granted status and optional stream/error
 */
export declare function testFrontCamera(): Promise<{
    granted: boolean;
    stream?: MediaStream;
    error?: any;
}>;
/**
 * Tests the back camera
 * @returns Promise resolving to result object with granted status and optional stream/error
 */
export declare function testBackCamera(): Promise<{
    granted: boolean;
    stream?: MediaStream;
    error?: any;
}>;
/**
 * Tests both front and back cameras
 * @param bothRequired Whether both cameras are required for success
 * @returns Promise resolving to result object with status of both cameras
 */
export declare function testBothCamera(bothRequired?: boolean): Promise<{
    frontCamera: {
        granted: boolean;
        error?: any;
    };
    backCamera: {
        granted: boolean;
        error?: any;
    };
    allGranted: boolean;
    errorMessage?: string;
}>;