import type { ProviderAuthProviderStatus } from "@mono-agent/agent-contracts";
import type { RunSummary } from "@mono-agent/observability";
interface ProviderObservation {
    readonly verifiedAt?: string;
    readonly failure?: NonNullable<ProviderAuthProviderStatus["lastFailure"]>;
}
export interface ProviderAuthObservationTracker {
    /** Capture the current credential generation before this run can reach a provider. */
    runStarted(runId: string): void;
    observe(summary: RunSummary): void;
    get(providerId: string): ProviderObservation | undefined;
    /** Retain observations only for the agent's current bounded used-provider set. */
    retainProviders(providerIds: readonly string[]): void;
    /** Invalidate proof for the replaced credential while retaining only unrelated availability evidence. */
    credentialPersisted(providerId: string): void;
    recordSuccess(providerId: string, model: string, observedAt?: string): void;
    recordFailure(providerId: string, model: string, kind: "provider_auth" | "provider_unavailable", observedAt?: string): void;
    invalidate(providerId: string, observedAt?: string): void;
}
export declare function createProviderAuthObservationTracker(now?: () => number): ProviderAuthObservationTracker;
export {};
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