import { NonEmptyArray } from '../interfaces/NonEmptyArray';
export declare class SecretCleaner {
    private matches;
    private static flags;
    constructor(matches: NonEmptyArray<string>);
    /** simple hashing to consider secrets differ or are equal */
    static hashCode(value: string): string;
    /** filters an object against secret values in strings and returns a cleaned deep copy */
    filterSecretValues(data: any): any;
}
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