declare type EncodingType = "UTF8" | "UTF16BE" | "UTF16LE";
declare type FormatNoTextType = "HEX" | "B64" | "BYTES" | "ARRAYBUFFER" | "UINT8ARRAY";
declare type GenericInputType = {
    value: string;
    format: "TEXT";
    encoding?: EncodingType;
} | {
    value: string;
    format: "B64" | "HEX" | "BYTES";
} | {
    value: ArrayBuffer;
    format: "ARRAYBUFFER";
} | {
    value: Uint8Array;
    format: "UINT8ARRAY";
};
declare type FixedLengthOptionsNoEncodingType = {
    hmacKey?: GenericInputType;
} | {
    numRounds?: number;
};
declare type FixedLengthOptionsEncodingType = {
    hmacKey?: GenericInputType;
    encoding?: EncodingType;
} | {
    numRounds?: number;
    encoding?: EncodingType;
};
interface SHAKEOptionsNoEncodingType {
    numRounds?: number;
}
interface SHAKEOptionsEncodingType extends SHAKEOptionsNoEncodingType {
    encoding?: EncodingType;
}
interface CSHAKEOptionsNoEncodingType {
    customization?: GenericInputType;
    funcName?: GenericInputType;
}
interface CSHAKEOptionsEncodingType extends CSHAKEOptionsNoEncodingType {
    encoding?: EncodingType;
}
interface KMACOptionsNoEncodingType {
    kmacKey: GenericInputType;
    customization?: GenericInputType;
}
interface KMACOptionsEncodingType extends KMACOptionsNoEncodingType {
    encoding?: EncodingType;
}

declare type FixedLengthVariantType = "SHA-1" | "SHA-224" | "SHA-256" | "SHA-384" | "SHA-512" | "SHA3-224" | "SHA3-256" | "SHA3-384" | "SHA3-512";
declare class jsSHA {
    private readonly shaObj;
    /**
     * @param variant The desired SHA variant (SHA-1, SHA-224, SHA-256, SHA-384, SHA-512, SHA3-224, SHA3-256, SHA3-256,
     *   SHA3-384, SHA3-512, SHAKE128, SHAKE256, CSHAKE128, CSHAKE256, KMAC128, or KMAC256) as a string.
     * @param inputFormat The input format to be used in future `update` calls (TEXT, HEX, B64, BYTES, ARRAYBUFFER,
     *   or UINT8ARRAY) as a string.
     * @param options Options in the form of { encoding?: "UTF8" | "UTF16BE" | "UTF16LE"; numRounds?: number }.
     *   `encoding` is for only TEXT input (defaults to UTF8) and `numRounds` defaults to 1.
     *   `numRounds` is not valid for any of the MAC or CSHAKE variants.
     *   * If the variant supports HMAC, `options` may have an additional `hmacKey` key which must be in the form of
     *     {value: <INPUT>, format: <FORMAT>, encoding?: "UTF8" | "UTF16BE" | "UTF16LE"} where <FORMAT> takes the same
     *     values as `inputFormat` and <INPUT> can be a `string | ArrayBuffer | Uint8Array` depending on <FORMAT>.
     *     Supplying this key switches to HMAC calculation and replaces the now deprecated call to `setHMACKey`.
     *   * If the variant is CSHAKE128 or CSHAKE256, `options` may have two additional keys, `customization` and `funcName`,
     *     which are the NIST customization and function-name strings.  Both must be in the same form as `hmacKey`.
     *   * If the variant is KMAC128 or KMAC256, `options` can include the `customization` key from CSHAKE variants and
     *     *must* have a `kmacKey` key that takes the same form as the `customization` key.
     */
    constructor(variant: FixedLengthVariantType, inputFormat: "TEXT", options?: FixedLengthOptionsEncodingType);
    constructor(variant: FixedLengthVariantType, inputFormat: FormatNoTextType, options?: FixedLengthOptionsNoEncodingType);
    constructor(variant: "SHAKE128" | "SHAKE256", inputFormat: "TEXT", options?: SHAKEOptionsEncodingType);
    constructor(variant: "SHAKE128" | "SHAKE256", inputFormat: FormatNoTextType, options?: SHAKEOptionsNoEncodingType);
    constructor(variant: "CSHAKE128" | "CSHAKE256", inputFormat: "TEXT", options?: CSHAKEOptionsEncodingType);
    constructor(variant: "CSHAKE128" | "CSHAKE256", inputFormat: FormatNoTextType, options?: CSHAKEOptionsNoEncodingType);
    constructor(variant: "KMAC128" | "KMAC256", inputFormat: "TEXT", options: KMACOptionsEncodingType);
    constructor(variant: "KMAC128" | "KMAC256", inputFormat: FormatNoTextType, options: KMACOptionsNoEncodingType);
    /**
     * Takes `input` and hashes as many blocks as possible. Stores the rest for either a future `update` or `getHash` call.
     *
     * @param input The input to be hashed
     */
    update(input: string | ArrayBuffer | Uint8Array): void;
    /**
     * Returns the desired SHA or MAC (if a HMAC/KMAC key was specified) hash of the input fed in via `update` calls.
     *
     * @param format The desired output formatting (B64, HEX, BYTES, ARRAYBUFFER, or UINT8ARRAY) as a string.
     * @param options Options in the form of { outputUpper?: boolean; b64Pad?: string; outputLen?: number;  }.
     *   `outputLen` is required for variable length output variants (this option was previously called `shakeLen` which
     *    is now deprecated).
     *   `outputUpper` is only for HEX output (defaults to false) and b64pad is only for B64 output (defaults to "=").
     * @returns The hash in the format specified.
     */
    getHash(format: "HEX", options?: {
        outputUpper?: boolean;
        outputLen?: number;
        shakeLen?: number;
    }): string;
    getHash(format: "B64", options?: {
        b64Pad?: string;
        outputLen?: number;
        shakeLen?: number;
    }): string;
    getHash(format: "BYTES", options?: {
        outputLen?: number;
        shakeLen?: number;
    }): string;
    getHash(format: "UINT8ARRAY", options?: {
        outputLen?: number;
        shakeLen?: number;
    }): Uint8Array;
    getHash(format: "ARRAYBUFFER", options?: {
        outputLen?: number;
        shakeLen?: number;
    }): ArrayBuffer;
    /**
     * Sets the HMAC key for an eventual `getHMAC` call.  Must be called immediately after jsSHA object instantiation.
     * Now deprecated in favor of setting the `hmacKey` at object instantiation.
     *
     * @param key The key used to calculate the HMAC
     * @param inputFormat The format of key (HEX, TEXT, B64, BYTES, ARRAYBUFFER, or UINT8ARRAY) as a string.
     * @param options Options in the form of { encoding?: "UTF8" | "UTF16BE" | "UTF16LE }.  `encoding` is only for TEXT
     *   and defaults to UTF8.
     */
    setHMACKey(key: string, inputFormat: "TEXT", options?: {
        encoding?: EncodingType;
    }): void;
    setHMACKey(key: string, inputFormat: "B64" | "HEX" | "BYTES"): void;
    setHMACKey(key: ArrayBuffer, inputFormat: "ARRAYBUFFER"): void;
    setHMACKey(key: Uint8Array, inputFormat: "UINT8ARRAY"): void;
    /**
     * Returns the the HMAC in the specified format using the key given by a previous `setHMACKey` call. Now deprecated
     * in favor of just calling `getHash`.
     *
     * @param format The desired output formatting (B64, HEX, BYTES, ARRAYBUFFER, or UINT8ARRAY) as a string.
     * @param options Options in the form of { outputUpper?: boolean; b64Pad?: string }. `outputUpper` is only for HEX
     *   output (defaults to false) and `b64pad` is only for B64 output (defaults to "=").
     * @returns The HMAC in the format specified.
     */
    getHMAC(format: "HEX", options?: {
        outputUpper?: boolean;
    }): string;
    getHMAC(format: "B64", options?: {
        b64Pad?: string;
    }): string;
    getHMAC(format: "BYTES"): string;
    getHMAC(format: "UINT8ARRAY"): Uint8Array;
    getHMAC(format: "ARRAYBUFFER"): ArrayBuffer;
}

export default jsSHA;