/**
 * Cypress has no first-class device-emulation API. This sends raw Chrome DevTools
 * Protocol commands through Cypress's undocumented-but-stable automation hatch —
 * the same mechanism community tools like cypress-cdp use. Chrome/Edge/Electron
 * only: Firefox dropped CDP support and Cypress talks to it over Marionette instead,
 * so there is no equivalent path there.
 */
export declare function sendCdpCommand(command: string, params?: Record<string, unknown>): Cypress.Chainable<any>;
/**
 * Same as sendCdpCommand, but for commands that aren't supported everywhere and
 * shouldn't fail the whole test/afterEach hook when unavailable — currently only
 * the `Browser.*` permission commands, which throw "Browser context management is
 * not supported" in Cypress's bundled Electron browser (verified empirically;
 * everything under `Emulation.*`/`Network.*` works fine there). Swallowing this
 * is harmless in practice: Electron doesn't gate navigator.geolocation behind the
 * Permissions API the way real Chrome does, so getCurrentPosition() works fine
 * even when the grant itself silently no-ops (verified empirically).
 */
export declare function sendOptionalCdpCommand(command: string, params?: Record<string, unknown>): Cypress.Chainable<any>;
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