import { ValueObject } from '../shared/ValueObject';
/**
 * Contract Status Value Object
 * Defines the lifecycle status of a contract
 */
export declare class ContractStatus extends ValueObject {
    private readonly _value;
    static readonly DRAFT: ContractStatus;
    static readonly VALIDATED: ContractStatus;
    static readonly APPROVED: ContractStatus;
    static readonly ACTIVE: ContractStatus;
    static readonly DEPRECATED: ContractStatus;
    static readonly ARCHIVED: ContractStatus;
    private constructor();
    /**
     * Creates a ContractStatus from string
     */
    static fromString(value: string): ContractStatus;
    get value(): string;
    get isDraft(): boolean;
    get isValidated(): boolean;
    get isApproved(): boolean;
    get isActive(): boolean;
    get isDeprecated(): boolean;
    get isArchived(): boolean;
    protected getEqualityProperties(): any[];
    toString(): string;
}
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