import type { EncryptionProvider } from './providers/base.js';
import type { DecryptionRequest, EncryptionRequest, EncryptionResult, SignatureRequest, SignatureResult } from './types.js';
export declare function encryptString(provider: EncryptionProvider, input: string, options: Omit<EncryptionRequest, 'plaintext'>): Promise<EncryptionResult>;
export declare function decryptToString(provider: EncryptionProvider, request: DecryptionRequest): Promise<string>;
export declare function encryptJson<T>(provider: EncryptionProvider, value: T, options: Omit<EncryptionRequest, 'plaintext'>): Promise<EncryptionResult>;
export declare function decryptJson<T>(provider: EncryptionProvider, request: DecryptionRequest): Promise<T>;
export declare function signPayload(provider: EncryptionProvider, payload: Uint8Array, options: Omit<SignatureRequest, 'payload'>): Promise<SignatureResult>;
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