import type { AttributionAction, AttributionAxes, AttributionPrimitive } from './types.js';
export declare function computeAttributionActionRef(action: AttributionAction): string;
export interface ConstructAttributionParams {
    /** The action being attested. Used to derive action_ref. */
    action: AttributionAction;
    /** The four axes with their entries. Unsorted is fine — canonicalization
     *  will order them. */
    axes: AttributionAxes;
    /** Issuer DID of the gateway or agent producing the receipt. */
    issuer: string;
    /** Ed25519 private key (hex) that signs the envelope. Must match the
     *  public key registered for `issuer` out-of-band. */
    issuerPrivateKey: string;
    /** Override the timestamp (test fixtures, replayed audits). Must satisfy
     *  §2.5 — millisecond precision, trailing Z. Defaults to now(). */
    timestamp?: string;
}
/** Build and sign a complete AttributionPrimitive. §2.7. */
export declare function constructAttributionPrimitive(params: ConstructAttributionParams): AttributionPrimitive;
/** Re-sign a primitive whose axes or metadata have changed (e.g., after
 *  applying decay in axis P). Returns a fresh primitive; the input is not
 *  mutated. Caller is responsible for providing a new timestamp if the
 *  resigned receipt should be distinct under replay protection. */
export declare function resignAttributionPrimitive(primitive: AttributionPrimitive, issuerPrivateKey: string, opts?: {
    timestamp?: string;
    axes?: AttributionAxes;
    action?: AttributionAction;
}): AttributionPrimitive;
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