import { z } from "zod";
/**
 * Zod schema for validating package.json metadata.
 * @internal
 */
export declare const PackageSchema: z.ZodObject<{
    name: z.ZodString;
    version: z.ZodString;
    description: z.ZodOptional<z.ZodString>;
    author: z.ZodOptional<z.ZodUnion<[z.ZodOptional<z.ZodObject<{
        name: z.ZodString;
        email: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>, z.ZodString]>>;
    license: z.ZodOptional<z.ZodString>;
    dependencies: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
}, z.core.$strip>;
/**
 * Type representing the validated package.json metadata.
 *
 * @internal
 */
export type Package = z.infer<typeof PackageSchema>;
/**
 * Zod schema for the full Act Framework configuration object.
 * Includes package metadata, environment, logging, and timing options.
 * @internal
 */
declare const BaseSchema: z.ZodObject<{
    name: z.ZodString;
    version: z.ZodString;
    description: z.ZodOptional<z.ZodString>;
    author: z.ZodOptional<z.ZodUnion<[z.ZodOptional<z.ZodObject<{
        name: z.ZodString;
        email: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>, z.ZodString]>>;
    license: z.ZodOptional<z.ZodString>;
    dependencies: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
    env: z.ZodEnum<{
        development: "development";
        production: "production";
        staging: "staging";
        test: "test";
    }>;
    logLevel: z.ZodEnum<{
        debug: "debug";
        error: "error";
        fatal: "fatal";
        info: "info";
        trace: "trace";
        warn: "warn";
    }>;
    logSingleLine: z.ZodBoolean;
    sleepMs: z.ZodNumber;
}, z.core.$strip>;
/**
 * Type representing the validated Act Framework configuration object.
 */
export type Config = z.infer<typeof BaseSchema>;
/**
 * Gets the current Act Framework configuration.
 *
 * Configuration is loaded from package.json and environment variables, providing
 * type-safe access to application metadata and runtime settings.
 *
 * **Environment Variables:**
 * - `NODE_ENV`: "development" | "test" | "staging" | "production" (default: "development")
 * - `LOG_LEVEL`: "fatal" | "error" | "warn" | "info" | "debug" | "trace"
 * - `LOG_SINGLE_LINE`: "true" | "false" (default: "true")
 * - `SLEEP_MS`: Milliseconds for sleep utility (default: 100, 0 for tests)
 *
 * **Defaults by environment:**
 * - test: logLevel="error", sleepMs=0
 * - production: logLevel="info"
 * - development: logLevel="trace"
 *
 * @returns The validated configuration object
 *
 * @example Basic usage
 * ```typescript
 * import { config } from "@rotorsoft/act";
 *
 * const cfg = config();
 * console.log(`App: ${cfg.name} v${cfg.version}`);
 * console.log(`Environment: ${cfg.env}`);
 * console.log(`Log level: ${cfg.logLevel}`);
 * ```
 *
 * @example Environment-specific behavior
 * ```typescript
 * import { config } from "@rotorsoft/act";
 *
 * const cfg = config();
 *
 * if (cfg.env === "production") {
 *   // Use PostgreSQL in production
 *   store(new PostgresStore(prodConfig));
 * } else {
 *   // Use in-memory store for dev/test
 *   store(new InMemoryStore());
 * }
 * ```
 *
 * @example Adjusting log levels
 * ```typescript
 * // Set via environment variable:
 * // LOG_LEVEL=debug npm start
 *
 * // Or check in code:
 * const cfg = config();
 * if (cfg.logLevel === "trace") {
 *   logger.trace("Detailed debugging enabled");
 * }
 * ```
 *
 * @see {@link Config} for configuration type
 */
export declare const config: () => Config;
export {};
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