/** Checks if the React Native Hermes engine is running */
export declare function isHermesEnabled(): boolean;
/** Checks if the React Native TurboModules are enabled */
export declare function isTurboModuleEnabled(): boolean;
/** Checks if the React Native Fabric renderer is running */
export declare function isFabricEnabled(): boolean;
/** Returns React Native Version as semver string */
export declare function getReactNativeVersion(): string | undefined;
/** Checks if Expo is present in the runtime */
export declare function isExpo(): boolean;
/** Check if JS runs in Expo Go */
export declare function isExpoGo(): boolean;
/** Check Expo Go version if available */
export declare function getExpoGoVersion(): string | undefined;
/** Returns Expo SDK version if available */
export declare function getExpoSdkVersion(): string | undefined;
/** Checks if the current platform is web */
export declare function isWeb(): boolean;
/**
 * Checks if Expo's native fetch implementation (`expo/fetch`) is active.
 * Expo SDK 56+ replaces `globalThis.fetch` with a native implementation
 * that bypasses XHR entirely. The SDK needs to know this to enable
 * fetch instrumentation instead of relying on XHR instrumentation.
 */
export declare function isExpoFetchEnabled(): boolean;
/** Checks if the current platform is not web */
export declare function notWeb(): boolean;
/** Checks if the current platform is supported mobile platform (iOS or Android) */
export declare function isMobileOs(): boolean;
/** Checks if the current platform is not supported mobile platform (iOS or Android) */
export declare function notMobileOs(): boolean;
/** Returns Hermes Version if hermes is present in the runtime */
export declare function getHermesVersion(): string | undefined;
/** Returns default environment based on __DEV__ */
export declare function getDefaultEnvironment(): 'development' | 'production';
/** Check if SDK runs in Metro Dev Server side */
export declare function isRunningInMetroDevServer(): boolean;
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