import { z } from 'zod';
export declare const configSchema: z.ZodObject<{
    DATABASE_URL: z.ZodString;
    GENAI_PROVIDER: z.ZodDefault<z.ZodEnum<["openai", "google", "anthropic"]>>;
    OPENAI_API_KEY: z.ZodOptional<z.ZodString>;
    GOOGLE_API_KEY: z.ZodOptional<z.ZodString>;
    ANTHROPIC_API_KEY: z.ZodOptional<z.ZodString>;
    MAIL_PROVIDER: z.ZodDefault<z.ZodEnum<["sendgrid", "ses", "smtp"]>>;
    SENDGRID_API_KEY: z.ZodOptional<z.ZodString>;
    SENDGRID_FROM_EMAIL: z.ZodOptional<z.ZodString>;
    AWS_ACCESS_KEY_ID: z.ZodOptional<z.ZodString>;
    AWS_SECRET_ACCESS_KEY: z.ZodOptional<z.ZodString>;
    AWS_REGION: z.ZodDefault<z.ZodString>;
    SES_FROM_EMAIL: z.ZodOptional<z.ZodString>;
    SMTP_HOST: z.ZodOptional<z.ZodString>;
    SMTP_PORT: z.ZodOptional<z.ZodEffects<z.ZodString, number, string>>;
    SMTP_USER: z.ZodOptional<z.ZodString>;
    SMTP_PASS: z.ZodOptional<z.ZodString>;
    SMTP_FROM: z.ZodOptional<z.ZodString>;
    NODE_ENV: z.ZodDefault<z.ZodEnum<["development", "production", "test"]>>;
    LOG_LEVEL: z.ZodDefault<z.ZodEnum<["debug", "info", "warn", "error"]>>;
    ENABLE_METRICS: z.ZodDefault<z.ZodEffects<z.ZodString, boolean, string>>;
    METRICS_PORT: z.ZodDefault<z.ZodEffects<z.ZodString, number, string>>;
    BROWSER_HEADLESS: z.ZodDefault<z.ZodEffects<z.ZodString, boolean, string>>;
    BROWSER_TIMEOUT: z.ZodDefault<z.ZodEffects<z.ZodString, number, string>>;
    MAX_ATTEMPTS_PER_NIGHT: z.ZodDefault<z.ZodEffects<z.ZodString, number, string>>;
    PROXY_URL: z.ZodOptional<z.ZodString>;
    USER_AGENT_ROTATION: z.ZodDefault<z.ZodEffects<z.ZodString, boolean, string>>;
    NOTIFY_ON: z.ZodDefault<z.ZodEnum<["availability", "booking", "both"]>>;
    TELEGRAM_BOT_TOKEN: z.ZodOptional<z.ZodString>;
    TELEGRAM_CHAT_ID: z.ZodOptional<z.ZodString>;
    ENABLE_AUTO_BOOKING: z.ZodDefault<z.ZodEffects<z.ZodString, boolean, string>>;
    ENABLE_SCREENSHOTS: z.ZodDefault<z.ZodEffects<z.ZodString, boolean, string>>;
    ENABLE_HAR_CAPTURE: z.ZodDefault<z.ZodEffects<z.ZodString, boolean, string>>;
}, "strip", z.ZodTypeAny, {
    GENAI_PROVIDER?: "openai" | "google" | "anthropic";
    OPENAI_API_KEY?: string;
    GOOGLE_API_KEY?: string;
    DATABASE_URL?: string;
    ANTHROPIC_API_KEY?: string;
    MAIL_PROVIDER?: "sendgrid" | "ses" | "smtp";
    SENDGRID_API_KEY?: string;
    SENDGRID_FROM_EMAIL?: string;
    AWS_ACCESS_KEY_ID?: string;
    AWS_SECRET_ACCESS_KEY?: string;
    AWS_REGION?: string;
    SES_FROM_EMAIL?: string;
    SMTP_HOST?: string;
    SMTP_PORT?: number;
    SMTP_USER?: string;
    SMTP_PASS?: string;
    SMTP_FROM?: string;
    NODE_ENV?: "development" | "production" | "test";
    LOG_LEVEL?: "error" | "debug" | "warn" | "info";
    ENABLE_METRICS?: boolean;
    METRICS_PORT?: number;
    BROWSER_HEADLESS?: boolean;
    BROWSER_TIMEOUT?: number;
    MAX_ATTEMPTS_PER_NIGHT?: number;
    PROXY_URL?: string;
    USER_AGENT_ROTATION?: boolean;
    NOTIFY_ON?: "availability" | "booking" | "both";
    TELEGRAM_BOT_TOKEN?: string;
    TELEGRAM_CHAT_ID?: string;
    ENABLE_AUTO_BOOKING?: boolean;
    ENABLE_SCREENSHOTS?: boolean;
    ENABLE_HAR_CAPTURE?: boolean;
}, {
    GENAI_PROVIDER?: "openai" | "google" | "anthropic";
    OPENAI_API_KEY?: string;
    GOOGLE_API_KEY?: string;
    DATABASE_URL?: string;
    ANTHROPIC_API_KEY?: string;
    MAIL_PROVIDER?: "sendgrid" | "ses" | "smtp";
    SENDGRID_API_KEY?: string;
    SENDGRID_FROM_EMAIL?: string;
    AWS_ACCESS_KEY_ID?: string;
    AWS_SECRET_ACCESS_KEY?: string;
    AWS_REGION?: string;
    SES_FROM_EMAIL?: string;
    SMTP_HOST?: string;
    SMTP_PORT?: string;
    SMTP_USER?: string;
    SMTP_PASS?: string;
    SMTP_FROM?: string;
    NODE_ENV?: "development" | "production" | "test";
    LOG_LEVEL?: "error" | "debug" | "warn" | "info";
    ENABLE_METRICS?: string;
    METRICS_PORT?: string;
    BROWSER_HEADLESS?: string;
    BROWSER_TIMEOUT?: string;
    MAX_ATTEMPTS_PER_NIGHT?: string;
    PROXY_URL?: string;
    USER_AGENT_ROTATION?: string;
    NOTIFY_ON?: "availability" | "booking" | "both";
    TELEGRAM_BOT_TOKEN?: string;
    TELEGRAM_CHAT_ID?: string;
    ENABLE_AUTO_BOOKING?: string;
    ENABLE_SCREENSHOTS?: string;
    ENABLE_HAR_CAPTURE?: string;
}>;
export type Config = z.infer<typeof configSchema>;
export declare function validateConfig(config: Record<string, unknown>): Config;