/**
 * Canonical outcome and reason-code constants for the email-ingestion module.
 *
 * These are the authoritative definitions on the server side. The gateway
 * package holds an independent duplicate — no runtime import between them.
 */
export declare const IngestOutcome: {
    readonly INSERTED: 'inserted';
    readonly DUPLICATE: 'duplicate';
    readonly QUARANTINED: 'quarantined';
    readonly REJECTED: 'rejected';
};
export type IngestOutcome = (typeof IngestOutcome)[keyof typeof IngestOutcome];
export declare const IngestReasonCode: {
    readonly UNKNOWN_ALIAS: 'UNKNOWN_ALIAS';
    readonly INVALID_AUTH: 'INVALID_AUTH';
    readonly REPLAY_DETECTED: 'REPLAY_DETECTED';
    readonly GRANT_INVALID: 'GRANT_INVALID';
    readonly TENANT_MISMATCH: 'TENANT_MISMATCH';
    readonly NO_DOCUMENTS: 'NO_DOCUMENTS';
    readonly PARSE_ERROR: 'PARSE_ERROR';
    readonly OVERSIZE_MESSAGE: 'OVERSIZE_MESSAGE';
    readonly TIMEOUT: 'TIMEOUT';
    readonly TRANSIENT_UPSTREAM: 'TRANSIENT_UPSTREAM';
    readonly SELF_ISSUED: 'SELF_ISSUED';
    readonly UPLOAD_FAILED: 'UPLOAD_FAILED';
};
export type IngestReasonCode = (typeof IngestReasonCode)[keyof typeof IngestReasonCode];