import { OctetString } from "@peculiar/asn1-schema";
export declare const ub_ml_expansion_history = 64;
/**
 * ```asn1
 * ESSVersion ::= INTEGER  { v1(1) }
 * ```
 */
export declare enum ESSVersion {
    v1 = 1
}
/**
 * ```asn1
 * AllOrFirstTier ::= INTEGER { -- Formerly AllOrNone
 *   allReceipts (0),
 *   firstTierRecipients (1) }
 * ```
 */
export declare enum AllOrFirstTier {
    allReceipts = 0,
    firstTierRecipients = 1
}
/**
 * ```asn1
 * ContentIdentifier ::= OCTET STRING
 * ```
 */
export type ContentIdentifier = OctetString;
/**
 * ```asn1
 * MsgSigDigest ::= OCTET STRING
 * ```
 */
export type MsgSigDigest = OctetString;
/**
 * ```asn1
 * Hash ::= OCTET STRING -- SHA1 hash of entire certificate
 * ```
 */
export type Hash = OctetString;
/**
 * ```asn1
 * SecurityClassification ::= INTEGER {
 *   unmarked (0),
 *   unclassified (1),
 *   restricted (2),
 *   confidential (3),
 *   secret (4),
 *   top-secret (5) } (0..ub-integer-options)
 * ```
 */
export declare enum SecurityClassification {
    unmarked = 0,
    unclassified = 1,
    restricted = 2,
    confidential = 3,
    secret = 4,
    topSecret = 5
}