/**
 * NetworkReceipt validation per SPEC/uvrn-receipt-v1.md §3.
 * Exports a standard JSON Schema document (for ajv users such as the worker) plus a dependency-free
 * structural validator, preserving the zero-external path.
 */
export declare const RECEIPT_KINDS: readonly ["delta", "master", "drift", "canon", "parity", "analytics", "genesis"];
export declare const LINK_RELS: readonly ["follows", "caused-by", "references", "part-of", "responds-to"];
/** JSON Schema (draft 2020-12) for the `uvrn-receipt-4` envelope. */
export declare const NETWORK_RECEIPT_SCHEMA: {
    readonly $schema: "https://json-schema.org/draft/2020-12/schema";
    readonly $id: "https://uvrn.org/schemas/uvrn-receipt-4.json";
    readonly type: "object";
    readonly required: readonly ["schemaVersion", "receiptHash", "kind", "claim", "source", "action", "occurredAt", "payload"];
    readonly properties: {
        readonly schemaVersion: {
            readonly const: "uvrn-receipt-4";
        };
        readonly receiptHash: {
            readonly type: "string";
            readonly pattern: "^sha256:[0-9a-f]{64}$";
        };
        readonly kind: {
            readonly type: "string";
            readonly minLength: 1;
        };
        readonly claim: {
            readonly type: "object";
            readonly required: readonly ["id", "text"];
            readonly properties: {
                readonly id: {
                    readonly type: "string";
                    readonly minLength: 1;
                };
                readonly text: {
                    readonly type: "string";
                    readonly minLength: 1;
                };
            };
        };
        readonly source: {
            readonly type: "string";
            readonly minLength: 1;
        };
        readonly action: {
            readonly type: "string";
            readonly minLength: 1;
        };
        readonly occurredAt: {
            readonly type: "string";
            readonly format: "date-time";
        };
        readonly payload: {
            readonly type: "object";
        };
        readonly topic: {
            readonly type: "string";
            readonly minLength: 1;
        };
        readonly tags: {
            readonly type: "array";
            readonly items: {
                readonly type: "string";
            };
        };
        readonly narrative: {
            readonly type: "string";
            readonly maxLength: 500;
        };
        readonly links: {
            readonly type: "array";
            readonly maxItems: 50;
            readonly items: {
                readonly type: "object";
                readonly required: readonly ["hash", "rel"];
                readonly properties: {
                    readonly hash: {
                        readonly type: "string";
                        readonly pattern: "^sha256:[0-9a-f]{64}$";
                    };
                    readonly rel: {
                        readonly enum: readonly ["follows", "caused-by", "references", "part-of", "responds-to"];
                    };
                    readonly label: {
                        readonly type: "string";
                        readonly maxLength: 256;
                    };
                };
            };
        };
        readonly chainId: {
            readonly type: "string";
            readonly maxLength: 128;
        };
        readonly sdk: {
            readonly type: "object";
            readonly required: readonly ["name", "version", "integrityHash"];
            readonly properties: {
                readonly name: {
                    readonly type: "string";
                };
                readonly version: {
                    readonly type: "string";
                };
                readonly integrityHash: {
                    readonly type: "string";
                };
            };
        };
        readonly signature: {
            readonly type: "object";
            readonly required: readonly ["alg", "publicKeyRef", "sig"];
            readonly properties: {
                readonly alg: {
                    readonly const: "ed25519";
                };
                readonly publicKeyRef: {
                    readonly type: "string";
                    readonly minLength: 1;
                };
                readonly sig: {
                    readonly type: "string";
                    readonly minLength: 1;
                };
                readonly signedAt: {
                    readonly type: "string";
                    readonly format: "date-time";
                };
            };
        };
    };
    readonly allOf: readonly [{
        readonly if: {
            readonly properties: {
                readonly kind: {
                    readonly const: "master";
                };
            };
        };
        readonly then: {
            readonly required: readonly ["narrative"];
            readonly properties: {
                readonly narrative: {
                    readonly type: "string";
                    readonly minLength: 1;
                };
            };
        };
    }];
};
/** ValidationOutcome lists every problem found; valid means zero problems. */
export interface ValidationOutcome {
    valid: boolean;
    errors: string[];
}
/**
 * validateNetworkReceipt structurally validates a candidate envelope without external deps.
 * It mirrors NETWORK_RECEIPT_SCHEMA; consumers ignore unknown fields (forward compatibility).
 */
export declare function validateNetworkReceipt(candidate: unknown): ValidationOutcome;
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