/**
 * Abstract class implementing the CryptoModule interface, providing
 * common functionality for cryptographic operations.
 */
export declare abstract class AbstractCryptoModule implements CryptoModule {
    /**
     * Generates random bytes of specified size.
     * @param size - The number of random bytes to generate.
     * @returns Uint8Array containing random bytes.
     */
    getRandomBytes(size: number): Uint8Array;
    /**
     * Computes the SHA-2 hash of the given data asynchronously.
     * @param bits - The number of bits to use (256, 384, or 512).
     * @param data - The data to hash as a Uint8Array.
     * @returns Promise resolving to a Uint8Array containing the SHA-2 hash.
     * @throws Error if an unsupported bit length is provided.
     */
    sha2Async(bits: number, data: Uint8Array): Promise<Uint8Array>;
    /**
     * Fills the passed Uint8Array with cryptographically secure random values.
     * @param values - The Uint8Array to fill with random values.
     * @returns The same Uint8Array filled with random values.
     */
    abstract getRandomValues(values: Uint8Array): Uint8Array;
    /**
     * Computes the SHA-256 hash of the given data asynchronously.
     * @param data - The data to hash as a Uint8Array.
     * @returns Promise resolving to a Uint8Array containing the SHA-256 hash.
     */
    abstract sha256Async(data: Uint8Array): Promise<Uint8Array>;
    /**
     * Computes the SHA-384 hash of the given data asynchronously.
     * @param data - The data to hash as a Uint8Array.
     * @returns Promise resolving to a Uint8Array containing the SHA-384 hash.
     */
    abstract sha384Async(data: Uint8Array): Promise<Uint8Array>;
    /**
     * Computes the SHA-512 hash of the given data asynchronously.
     * @param data - The data to hash as a Uint8Array.
     * @returns Promise resolving to a Uint8Array containing the SHA-512 hash.
     */
    abstract sha512Async(data: Uint8Array): Promise<Uint8Array>;
}

/**
 * Interface for crypto operations that can be implemented by different platforms
 */
export declare interface CryptoModule {
    /**
     * Fills the passed Uint8Array with cryptographically secure random values
     * @param values - The Uint8Array to fill with random values
     * @returns The same Uint8Array filled with random values
     */
    getRandomValues(values: Uint8Array): Uint8Array;
    /**
     * Generates random bytes of specified size
     * @param size - The number of random bytes to generate
     * @returns Uint8Array containing random bytes
     */
    getRandomBytes(size: number): Uint8Array;
    /**
     * Computes the SHA-256 hash of the given data asynchronously
     * @param data - The data to hash as a Uint8Array
     * @returns Promise resolving to a Uint8Array containing the SHA-256 hash
     */
    sha256Async(data: Uint8Array): Promise<Uint8Array>;
    /**
     * Computes the SHA-384 hash of the given data asynchronously
     * @param data - The data to hash as a Uint8Array
     * @returns Promise resolving to a Uint8Array containing the SHA-384 hash
     */
    sha384Async(data: Uint8Array): Promise<Uint8Array>;
    /**
     * Computes the SHA-512 hash of the given data asynchronously
     * @param data - The data to hash as a Uint8Array
     * @returns Promise resolving to a Uint8Array containing the SHA-512 hash
     */
    sha512Async(data: Uint8Array): Promise<Uint8Array>;
    /**
     * Computes the SHA-2 hash of the given data asynchronously
     * @param bits - The number of bits to use (256, 384, or 512)
     * @param data - The data to hash as a Uint8Array
     * @returns Promise resolving to a Uint8Array containing the SHA-2 hash
     */
    sha2Async(bits: number, data: Uint8Array): Promise<Uint8Array>;
}

/**
 * Checks if the current environment is a web environment.
 *
 * @returns {boolean} True if the current environment is a web environment, false otherwise.
 */
export declare const isWeb: () => boolean;

export { }