import { z } from 'zod/v4';
/**
 * Duration string in the format "<number><unit>", e.g. "5s", "300ms", "1m", "2h".
 * Parsed at generation time by individual gateway generators.
 */
export declare const durationSchema: z.ZodString;
export type Duration = z.infer<typeof durationSchema>;
/**
 * Match rule for a single header or query value.
 * Bare strings are treated as exact matches; objects are explicit.
 */
export declare const matchRuleSchema: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
    exact: z.ZodString;
}, z.core.$strip>, z.ZodObject<{
    prefix: z.ZodString;
}, z.core.$strip>, z.ZodObject<{
    regex: z.ZodString;
}, z.core.$strip>]>;
export type MatchRule = z.infer<typeof matchRuleSchema>;
/**
 * Universal gateway metadata schema.
 *
 * Vendor-neutral. Generators map every field they support and put unmapped
 * data into `warnings`. Use `extensions.<vendor>` for gateway-specific knobs
 * the universal model doesn't cover.
 */
export declare const gatewayMetadataSchema: z.ZodObject<{
    id: z.ZodOptional<z.ZodString>;
    upstream: z.ZodOptional<z.ZodString>;
    visibility: z.ZodOptional<z.ZodEnum<{
        public: "public";
        internal: "internal";
        admin: "admin";
    }>>;
    tags: z.ZodOptional<z.ZodArray<z.ZodString>>;
    match: z.ZodOptional<z.ZodObject<{
        headers: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            exact: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            prefix: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            regex: z.ZodString;
        }, z.core.$strip>]>>>;
        customHeaders: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            exact: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            prefix: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            regex: z.ZodString;
        }, z.core.$strip>]>>>;
        query: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            exact: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            prefix: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            regex: z.ZodString;
        }, z.core.$strip>]>>>;
        customQuery: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            exact: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            prefix: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            regex: z.ZodString;
        }, z.core.$strip>]>>>;
        host: z.ZodOptional<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodString>]>>;
    }, z.core.$strict>>;
    rewrite: z.ZodOptional<z.ZodObject<{
        stripPrefix: z.ZodOptional<z.ZodString>;
        replacePrefix: z.ZodOptional<z.ZodObject<{
            from: z.ZodString;
            to: z.ZodString;
        }, z.core.$strict>>;
    }, z.core.$strict>>;
    timeouts: z.ZodOptional<z.ZodObject<{
        request: z.ZodOptional<z.ZodString>;
        idle: z.ZodOptional<z.ZodString>;
        connect: z.ZodOptional<z.ZodString>;
    }, z.core.$strict>>;
    retry: z.ZodOptional<z.ZodObject<{
        attempts: z.ZodOptional<z.ZodNumber>;
        on: z.ZodOptional<z.ZodArray<z.ZodEnum<{
            "5xx": "5xx";
            "gateway-error": "gateway-error";
            "connect-failure": "connect-failure";
            reset: "reset";
            "retriable-4xx": "retriable-4xx";
        }>>>;
        perTryTimeout: z.ZodOptional<z.ZodString>;
        backoff: z.ZodOptional<z.ZodObject<{
            base: z.ZodOptional<z.ZodString>;
            max: z.ZodOptional<z.ZodString>;
        }, z.core.$strict>>;
    }, z.core.$strict>>;
    circuitBreaker: z.ZodOptional<z.ZodObject<{
        maxConnections: z.ZodOptional<z.ZodNumber>;
        maxPendingRequests: z.ZodOptional<z.ZodNumber>;
        maxRequests: z.ZodOptional<z.ZodNumber>;
        maxRetries: z.ZodOptional<z.ZodNumber>;
    }, z.core.$strict>>;
    rateLimit: z.ZodOptional<z.ZodObject<{
        requests: z.ZodNumber;
        per: z.ZodString;
        key: z.ZodOptional<z.ZodUnion<readonly [z.ZodLiteral<"ip">, z.ZodObject<{
            header: z.ZodString;
        }, z.core.$strict>, z.ZodObject<{
            customHeader: z.ZodString;
        }, z.core.$strict>, z.ZodObject<{
            query: z.ZodString;
        }, z.core.$strict>, z.ZodObject<{
            customQuery: z.ZodString;
        }, z.core.$strict>]>>;
    }, z.core.$strict>>;
    traffic: z.ZodOptional<z.ZodObject<{
        weights: z.ZodOptional<z.ZodArray<z.ZodObject<{
            upstream: z.ZodString;
            weight: z.ZodNumber;
        }, z.core.$strict>>>;
        shadow: z.ZodOptional<z.ZodObject<{
            upstream: z.ZodString;
            percent: z.ZodNumber;
        }, z.core.$strict>>;
    }, z.core.$strict>>;
    cors: z.ZodOptional<z.ZodObject<{
        origins: z.ZodArray<z.ZodString>;
        methods: z.ZodOptional<z.ZodArray<z.ZodEnum<{
            GET: "GET";
            POST: "POST";
            PUT: "PUT";
            PATCH: "PATCH";
            DELETE: "DELETE";
            HEAD: "HEAD";
            OPTIONS: "OPTIONS";
        }>>>;
        headers: z.ZodOptional<z.ZodArray<z.ZodString>>;
        exposeHeaders: z.ZodOptional<z.ZodArray<z.ZodString>>;
        credentials: z.ZodOptional<z.ZodBoolean>;
        maxAge: z.ZodOptional<z.ZodString>;
    }, z.core.$strict>>;
    auth: z.ZodOptional<z.ZodObject<{
        required: z.ZodOptional<z.ZodBoolean>;
        jwt: z.ZodOptional<z.ZodObject<{
            issuer: z.ZodString;
            audiences: z.ZodOptional<z.ZodArray<z.ZodString>>;
            jwksUri: z.ZodOptional<z.ZodString>;
        }, z.core.$strict>>;
        mTLS: z.ZodOptional<z.ZodBoolean>;
    }, z.core.$strict>>;
    cache: z.ZodOptional<z.ZodObject<{
        ttl: z.ZodString;
        methods: z.ZodOptional<z.ZodArray<z.ZodEnum<{
            GET: "GET";
            HEAD: "HEAD";
        }>>>;
        vary: z.ZodOptional<z.ZodArray<z.ZodString>>;
    }, z.core.$strict>>;
    headers: z.ZodOptional<z.ZodObject<{
        request: z.ZodOptional<z.ZodObject<{
            add: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
            remove: z.ZodOptional<z.ZodArray<z.ZodString>>;
        }, z.core.$strict>>;
        response: z.ZodOptional<z.ZodObject<{
            add: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
            remove: z.ZodOptional<z.ZodArray<z.ZodString>>;
        }, z.core.$strict>>;
    }, z.core.$strict>>;
    extensions: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>>>;
}, z.core.$strict>;
/**
 * Runtime-validated gateway metadata.
 *
 * For per-route declarations use the contract-generic alias `GatewayMetadata<Contract>`
 * exported from `./gatewayTypes.ts` — the runtime schema is intentionally lenient
 * about header/query keys (case-insensitive HTTP, dynamic keys); the type-level
 * narrowing is what guides authoring.
 */
export type GatewayMetadataValue = z.infer<typeof gatewayMetadataSchema>;