import * as v from 'valibot';
import type { Jwks } from './v-jwk.js';
/**
 * Fetches a JSON Web Key Set (JWKS) from the specified URI.
 *
 * @param jwksUri - The URI of the JWKS endpoint.
 * @returns A Promise that resolves to the JWKS object.
 * @throws Will throw an error if the fetch fails or if the response is not valid JSON.
 */
export declare function joseJwksFetch(jwksUri: string): Promise<Jwks | undefined>;
export declare const vJwksExtractable: v.LooseObjectSchema<{
    readonly jwks: v.OptionalSchema<v.ObjectSchema<{
        readonly keys: v.ArraySchema<v.LooseObjectSchema<{
            readonly kid: v.OptionalSchema<v.StringSchema<undefined>, never>;
            readonly kty: v.StringSchema<undefined>;
        }, undefined>, undefined>;
    }, undefined>, never>;
    readonly jwks_uri: v.OptionalSchema<v.StringSchema<undefined>, never>;
}, undefined>;
/**
 * Extracts JSON Web Key Set (JWKS) from the provided metadata.
 * If a jwks field is provided, the JWKS will be extracted from the field.
 * If a jwks_uri is provided, the JWKS will be fetched from the URI.
 *
 * @param input - The metadata input to be validated and parsed.
 * @returns A promise that resolves to the extracted JWKS or undefined.
 * @throws {JoseJwksExtractionError} If the metadata format is invalid or no decryption key is found.
 */
export declare const joseJwksExtract: (input: v.InferInput<typeof vJwksExtractable>) => Promise<{
    keys: ({
        kty: string;
        use?: string | undefined;
        alg?: string | undefined;
        crv?: string | undefined;
        d?: string | undefined;
        dp?: string | undefined;
        dq?: string | undefined;
        e?: string | undefined;
        ext?: boolean | undefined;
        k?: string | undefined;
        key_ops?: string[] | undefined;
        kid?: string | undefined;
        n?: string | undefined;
        oth?: {
            d?: string | undefined;
            r?: string | undefined;
            t?: string | undefined;
        }[] | undefined;
        p?: string | undefined;
        q?: string | undefined;
        qi?: string | undefined;
        x?: string | undefined;
        y?: string | undefined;
        x5c?: string[] | undefined;
        x5t?: string | undefined;
        'x5t#S256'?: string | undefined;
        x5u?: string | undefined;
    } & {
        [key: string]: unknown;
    })[];
} | undefined>;
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