import { JWTAlgorithm } from '@authup/specs';
import { BaseKey } from '../base';
import { SymmetricAlgorithm } from './constants';
import type { SymmetricKeyImportContext } from './types';
export declare class SymmetricKey extends BaseKey {
    static fromBase64(ctx: SymmetricKeyImportContext<string>): Promise<SymmetricKey>;
    static fromArrayBuffer(ctx: SymmetricKeyImportContext<ArrayBuffer>): Promise<SymmetricKey>;
    static buildImportOptionsForJWTAlgorithm(alg: `${JWTAlgorithm}`): {
        name: SymmetricAlgorithm;
        hash: string;
    };
}
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