import type { EnvelopeKeyLookup, EnvelopeSigningKey } from './signature.js';
type EnvLike = Record<string, string | undefined>;
export declare function loadEnvelopeSigningKeyFromEnv(env?: EnvLike): EnvelopeSigningKey;
export declare function loadOrCreateLocalEnvelopeSigningKey(env?: EnvLike): EnvelopeSigningKey;
export declare function makeEnvKeyLookup(active: EnvelopeSigningKey): EnvelopeKeyLookup;
export {};
//# sourceMappingURL=key-provider.d.ts.map