import type { DeviceDescriptor } from './types';
type Orientation = 'portrait' | 'landscape';
declare global {
    namespace Cypress {
        interface Chainable {
            /**
             * Emulate a device by name (see `devices` catalog) or a custom DeviceDescriptor.
             * Sets viewport, devicePixelRatio, the mobile flag (so hover/pointer media
             * queries flip correctly), touch support, user agent, and screen orientation.
             */
            emulate(device: string | DeviceDescriptor): Chainable<DeviceDescriptor>;
            /**
             * Rotate the currently emulated device to `'portrait'` or `'landscape'`,
             * firing a real `orientationchange` event and updating `screen.orientation`
             * — not just resizing the viewport. Requires `cy.emulate()` to have been
             * called first in the same test. For a named catalog device, uses that
             * device's real landscape/portrait counterpart from `devices` (not a naive
             * width/height swap) whenever one exists; for a custom descriptor, swaps
             * width/height since there's no catalog entry to look up.
             */
            rotate(orientation: Orientation): Chainable<DeviceDescriptor>;
            /**
             * Clear all emulation overrides and restore the configured desktop viewport.
             * Called automatically after every test unless auto-reset is disabled — see README.
             */
            resetEmulation(): Chainable<null>;
        }
    }
}
export declare function assertChromiumFamily(command: string): void;
export {};
//# sourceMappingURL=commands.d.ts.map