import type { Payload } from '@xyo-network/sdk-protocol';
/** Exact schema admission and limits on UTF-8 JSON bytes before compression. */
export interface PayloadAdmissionPolicy {
    /** An empty allowlist admits nothing. */
    allowedSchemas: string[];
    maxPayloadBytes: number;
    /** Per-schema limits can only tighten the global limit. */
    schemaMaxPayloadBytes?: Record<string, number>;
}
export declare function validatePayloadAdmissionPolicy(policy: PayloadAdmissionPolicy): void;
/** Reject the entire batch before any storage action if one payload is ineligible. */
export declare function validatePayloadAdmission(payloads: Payload[], policy: PayloadAdmissionPolicy): void;
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