import type { AuthenticatedGovernanceProjectService } from './authenticated-project-service.js';
import type { GovernanceServiceCredential } from './capability-grant.js';
import type { GovernanceObservationCategory, StoredGovernanceObservation } from './event-store.js';
interface LegacyRuntimeObservation {
    readonly observationId: string;
    readonly taskId?: string | undefined;
    readonly category: GovernanceObservationCategory;
    readonly observedAt: string;
    readonly payload: Readonly<Record<string, unknown>>;
}
type LegacyShadowObservationResult = {
    readonly observed: true;
    readonly idempotentReplay: boolean;
    readonly observation: StoredGovernanceObservation;
} | {
    readonly observed: false;
    readonly code: string;
    readonly message: string;
};
/**
 * Observe-only compatibility adapter. It can append shadow observations but has no command capability
 * and therefore cannot create tasks, transition canonical state, or block the legacy runtime.
 */
export declare class LegacyGovernanceShadowAdapter {
    private readonly service;
    private readonly source;
    private readonly credential;
    private requestSequence;
    constructor(service: AuthenticatedGovernanceProjectService, source: string, credential: GovernanceServiceCredential);
    observe(observation: LegacyRuntimeObservation): LegacyShadowObservationResult;
    private toResult;
}
export {};
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