import { Hasher as LDHasher } from '@launchdarkly/js-client-sdk-common';
import { SupportedHashAlgorithm, SupportedOutputEncoding } from './types';
export default class PlatformHasher implements LDHasher {
    private _hasher;
    constructor(algorithm: SupportedHashAlgorithm, hmacKey?: string);
    digest(encoding: SupportedOutputEncoding): string;
    update(data: string): this;
}
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