import { type ValidationResult } from 'util/types.js';
export declare const SIGNATURE = "SIGNATURE";
export declare const ENCRYPTION = "ENCRYPTION";
export declare const SYMMETRIC = "SYMMETRIC";
export declare const LINK_HASH = "LINK_HASH";
export declare const LINK_TO_PREVIOUS = "LINK_TO_PREVIOUS";
export declare const INVITATION = "INVITATION";
export declare const DEVICE_ID = "DEVICE_ID";
export declare const SHARED_KEY = "SHARED_KEY";
export declare const HashPurpose: {
    readonly SIGNATURE: "SIGNATURE";
    readonly ENCRYPTION: "ENCRYPTION";
    readonly SYMMETRIC: "SYMMETRIC";
    readonly LINK_HASH: "LINK_HASH";
    readonly LINK_TO_PREVIOUS: "LINK_TO_PREVIOUS";
    readonly INVITATION: "INVITATION";
    readonly DEVICE_ID: "DEVICE_ID";
    readonly SHARED_KEY: "SHARED_KEY";
};
export declare const VALID: ValidationResult;
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