/// <reference types="node" resolution-mode="require"/>
export declare function getPemFormattedKeyPair({ pemPrivateKey, }: {
    pemPrivateKey?: string;
}): Promise<{
    pemPublicKey: string;
    pemPrivateKey: string;
}>;
export declare function formatPemPublicKeyForSMS(pemPublicKey: string): string;
export declare function getOrGenerateKeyPair(): Promise<{
    pemPublicKey: string;
    pemPrivateKey: string;
}>;
export declare function loadKeyPair(pem: string): Promise<{
    pemPublicKey: string;
    pemPrivateKey: string;
}>;
export declare function generateKeyPair(): Promise<CryptoKeyPair>;
export declare function getCrypto(): Promise<{
    crypto: Crypto;
    CryptoKey: {
        new (): CryptoKey;
        prototype: CryptoKey;
    };
} | {
    crypto: import("crypto").webcrypto.Crypto;
    CryptoKey: import("crypto").webcrypto.CryptoKeyConstructor;
}>;
export declare function privateAsPem(privateKey: CryptoKey): Promise<string>;
export declare function cryptoKeyPairFromPem(pemPrivateKey: string): Promise<CryptoKeyPair>;