import type { EnvProvider, AppConfig, EnvironmentVariables, FirebaseConfig } from '../../env.js';
import type { Optional } from '@sudobility/types';
export declare class RNEnvProvider implements EnvProvider {
    get<K extends keyof EnvironmentVariables>(key: K, defaultValue?: Optional<string>): Optional<EnvironmentVariables[K] | string>;
    getAll(): EnvironmentVariables;
    isDevelopment(): boolean;
    isProduction(): boolean;
    isTest(): boolean;
}
export declare function createRNAppConfig(envProvider: RNEnvProvider): AppConfig;
export declare const rnEnvProvider: RNEnvProvider;
export declare const rnAppConfig: AppConfig;
export type { EnvProvider, AppConfig, EnvironmentVariables, FirebaseConfig };
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