/**
 * Compliance receipt shape matching AlgoVoi's production /compliance/screen.
 *
 * The categorical outcome (ALLOW / REFER / DENY) is load-bearing for the
 * retention layer (UK POCA 2002 s.330 SAR distinction). A score/tier
 * projection would lose that property and break year-five auditability.
 */
export declare const SCREEN_RESULTS: readonly ["ALLOW", "REFER", "DENY"];
export type ScreenResult = (typeof SCREEN_RESULTS)[number];
export declare class ComplianceReceiptError extends Error {
    constructor(message: string);
}
export interface ComplianceReceipt {
    payer_ref: string;
    screen_result: ScreenResult;
    screen_timestamp_ms: number;
    screen_provider_did: string;
    jurisdiction_flags: string[];
    canon_version: string;
}
export interface BuildComplianceReceiptInput {
    payer_ref: string;
    screen_result: string;
    screen_timestamp_ms: number;
    screen_provider_did: string;
    jurisdiction_flags: string[];
    canon_version?: string;
}
/**
 * Build a validated compliance receipt object.
 *
 * screen_result must be one of ALLOW, REFER, DENY -- the categorical
 * outcome is load-bearing for downstream regulatory obligations.
 *
 * payer_ref is expected to be a content-addressed identity reference
 * (e.g. "sha256:<hex>") rather than cleartext identity content.
 *
 * jurisdiction_flags is treated as ordered -- ["UK","EU"] and ["EU","UK"]
 * produce distinct canonical bytes per RFC 8785 §3.2.3.
 */
export declare function buildComplianceReceipt(input: BuildComplianceReceiptInput): ComplianceReceipt;
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