import type { ApprovalProposalSnapshot } from './ledger.js';
export interface ApprovalSettlementExpectation {
    proposalId: string;
    requester: string;
    principal: string;
    action: string;
    resource: Readonly<{
        kind: string;
        id: string;
    }>;
    summary: string;
    diff: string;
    expiresAt: number;
    expectedVersion: number;
}
export type ApprovalSettlementConflictReason = 'action-mismatch' | 'decision-actor-mismatch' | 'diff-mismatch' | 'expiry-mismatch' | 'invalid-expectation' | 'missing-proposal' | 'not-terminal' | 'principal-mismatch' | 'proposal-id-mismatch' | 'requester-mismatch' | 'resource-mismatch' | 'summary-mismatch' | 'version-mismatch';
export type ValidatedApprovalSettlement = ApprovalProposalSnapshot & {
    status: 'approved' | 'expired' | 'rejected';
};
export declare class ApprovalSettlementConflict extends Error {
    readonly reason: ApprovalSettlementConflictReason;
    readonly code: "approval-settlement-conflict";
    constructor(reason: ApprovalSettlementConflictReason);
}
/**
 * Validate a terminal Policy snapshot against the immutable operation owned by
 * a domain before that domain commits its pending mutation.
 */
export declare function validateApprovalSettlement(snapshot: ApprovalProposalSnapshot | undefined, expectation: Readonly<ApprovalSettlementExpectation>): ValidatedApprovalSettlement;
//# sourceMappingURL=settlement.d.ts.map