import { Base64 } from "../Base64";
import { Hash } from "../Signer/Hash";
export declare class Rsa {
    readonly type: "public" | "private";
    readonly raw: CryptoKey;
    readonly parameters: Rsa.Parameters;
    private constructor();
    export(format: "jwk"): Promise<JsonWebKey | undefined>;
    export(format: "buffer"): Promise<ArrayBuffer | undefined>;
    export(format?: "pem"): Promise<string | undefined>;
    export(format?: "base64"): Promise<Base64 | undefined>;
    export(format: "jwk" | "buffer" | "base64" | "pem"): Promise<JsonWebKey | ArrayBuffer | string | Base64 | undefined>;
    static import(type: "private" | "public", key: ArrayBuffer | Base64 | undefined, variant?: Rsa.Variant, hash?: Hash): Promise<Rsa | undefined>;
    static generate(length: 1024 | 2048 | 4096, variant?: Rsa.Variant, hash?: Hash): Promise<Rsa.Pair>;
}
export declare namespace Rsa {
    type Pair = {
        private: Rsa;
        public: Rsa;
    };
    namespace Pair {
        function load(publicKey: Base64 | ArrayBuffer, privateKey: Base64 | ArrayBuffer): Promise<Partial<Pair>>;
    }
    type Variant = "SSA" | "PSS";
    type Parameters = {
        name: "RSASSA-PKCS1-v1_5" | "RSA-OAEP";
    } | {
        name: "RSA-PSS";
        saltLength: 128;
    };
}