export interface EnvironmentConfig {
    nodeEnv: "development" | "production" | "test" | string;
    veryfrontEnv: string;
    veryfrontMode: string;
    proxyMode: boolean;
    debug: boolean;
    ci: boolean;
    denoTesting: boolean;
    perfEnabled: boolean;
    apiBaseUrl: string;
    /** Public-facing API URL for browser-injected scripts (WebSocket URLs, etc.). */
    publicApiBaseUrl: string;
    apiUrl: string | undefined;
    apiToken: string | undefined;
    projectSlug: string | undefined;
    homeDir: string | undefined;
    xdgConfigHome: string | undefined;
    continuousIntegration: boolean;
    sshClient: string | undefined;
    sshTty: string | undefined;
    display: string | undefined;
    waylandDisplay: string | undefined;
    cursorSession: string | undefined;
    serverStartTime: string | undefined;
    vcr: string | undefined;
    experimentalRsc: boolean;
    /** Legacy built-in Redis connection used by existing cache consumers. */
    redisUrl: string | undefined;
    cacheDir: string | undefined;
    disableLruInterval: boolean;
    appUrl: string | undefined;
    port: number;
    /**
     * Whether `port` came from a valid `PORT` value or the built-in default.
     * Omitted values from custom callers retain the legacy env-override behavior.
     */
    portSource?: "default" | "environment";
    requestTimeoutMs: number | undefined;
    httpFetchTimeoutMs: number | undefined;
    extensionSetupTimeoutMs: number | undefined;
    ssrMaxConcurrentTransforms: number;
    otelEnabled: boolean;
    otelServiceName: string | undefined;
    otelEndpoint: string | undefined;
    otelTracesEndpoint: string | undefined;
    otelMetricsEndpoint: string | undefined;
    otelTracesExporter: string | undefined;
    otelMetricsExporter: string | undefined;
    otelHeaders: string | undefined;
    otelMetricsEnabled: boolean;
    openaiApiKey: string | undefined;
    openaiBaseUrl: string | undefined;
    anthropicApiKey: string | undefined;
    anthropicBaseUrl: string | undefined;
    googleApiKey: string | undefined;
    githubToken: string | undefined;
    githubOwner: string | undefined;
    githubRepo: string | undefined;
    githubRef: string | undefined;
    noColor: boolean;
    forceColor: boolean;
    denoV8Flags: string;
    v8MaxOldSpaceSize: number | undefined;
    veryfrontVersion: string | undefined;
}
/**
 * Default incoming request deadline. This must remain above the renderer's
 * 60-second pipeline deadline and below the proxy's 90-second upstream one.
 */
export declare const DEFAULT_REQUEST_TIMEOUT_MS = 75000;
export declare function initEnvironmentConfig(): EnvironmentConfig;
export declare function refreshEnvironmentConfig(): EnvironmentConfig;
export declare function getEnvironmentConfig(): EnvironmentConfig;
export declare function isEnvironmentConfigInitialized(): boolean;
export declare function createTestEnvironmentConfig(overrides?: Partial<EnvironmentConfig>): EnvironmentConfig;
export declare function _setEnvironmentConfigForTesting(env: Partial<EnvironmentConfig>): void;
export declare function _resetEnvironmentConfig(): void;
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