import type { VeryfrontConfig } from "./schemas/index.js";
import type { EnvironmentConfig } from "./environment-config.js";
/**
 * Runtime-specific configuration derived from environment.
 */
export interface RuntimeInfo {
    /** The runtime environment snapshot */
    env: EnvironmentConfig;
    /** True if NODE_ENV is "production" */
    isProduction: boolean;
    /** True if NODE_ENV is "development" */
    isDevelopment: boolean;
    /** True if NODE_ENV is "test" or DENO_TESTING=1 */
    isTest: boolean;
    /** True if running in CI environment */
    isCI: boolean;
    /** True if debug mode is enabled */
    isDebug: boolean;
}
/**
 * A caller-supplied project configuration combined with one environment
 * snapshot. Creating this value does not initialize the process singleton.
 */
export interface RuntimeConfig extends VeryfrontConfig {
    /**
     * Runtime-specific values computed from environment.
     * Use this for environment-dependent behavior.
     */
    runtime: RuntimeInfo;
}
export declare const DEFAULT_CONFIG: Partial<VeryfrontConfig>;
export declare function createRuntimeConfig(fileConfig?: VeryfrontConfig, env?: EnvironmentConfig): RuntimeConfig;
/**
 * Explicitly initialize the process-local singleton.
 *
 * This utility is intended for trusted single-tenant startup and tooling. The
 * hosted server does not call it with tenant configuration.
 */
export declare function initRuntimeConfig(fileConfig?: VeryfrontConfig): RuntimeConfig;
/**
 * Read the opt-in process singleton, lazily creating defaults plus host
 * environment values when no caller initialized it.
 *
 * This does not discover or load `veryfront.config.*`.
 */
export declare function getRuntimeConfig(): RuntimeConfig;
export declare function isRuntimeConfigInitialized(): boolean;
/**
 * Replace the trusted process-local singleton.
 *
 * Never pass hosted request or tenant configuration to this function.
 */
export declare function updateRuntimeConfig(fileConfig: VeryfrontConfig): RuntimeConfig;
export declare function createTestConfig(overrides?: Partial<VeryfrontConfig> & {
    runtime?: {
        env?: Partial<EnvironmentConfig>;
    };
}): RuntimeConfig;
export declare function _setRuntimeConfigForTesting(config: Partial<RuntimeConfig> | RuntimeConfig): void;
export declare function _resetRuntimeConfig(): void;
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