import { AgentHealthStore } from './agent-health.store.js';
import type { AgentRestartCommand } from './agent-restart-command.store.js';
import type { AgentHealthReason, AgentHealthState, AgentRestartOutcome, AgentRestartStatusSummary, AgentRuntimeHandleSnapshot, AgentRuntimeHealthSummary } from '../../shared/snapshot.js';
export declare const PROVIDER_RATE_LIMIT_GRACE_MS = 60000;
export declare const PROVIDER_RATE_LIMIT_RED_STALE_MS: number;
export declare const STARTING_TIMEOUT_MS = 30000;
export declare const RUNTIME_CHILD_HEALTH_DEBOUNCE_MS = 10000;
export declare const FRESH_RUNNING_STALE_GRACE_MS = 10000;
export interface HealthWriteInput {
    agentId: string;
    clearProviderFailure?: boolean;
    reason?: AgentHealthReason;
    restart?: AgentRestartStatusSummary;
    runtime?: AgentRuntimeHandleSnapshot;
    state: AgentHealthState;
    updatedAt: string;
}
export interface ProviderFailureInput {
    agentId: string;
    reason: AgentHealthReason;
    runtime?: AgentRuntimeHandleSnapshot;
    updatedAt: string;
}
export declare class AgentHealthService {
    private readonly store;
    constructor(store?: AgentHealthStore);
    ensureDirectory(): Promise<void>;
    get(agentId: string): Promise<AgentRuntimeHealthSummary | undefined>;
    clear(agentId: string): Promise<void>;
    writeHealth(input: HealthWriteInput): Promise<void>;
    writeProviderFailure(input: ProviderFailureInput): Promise<void>;
}
export declare const defaultAgentHealthService: AgentHealthService;
export declare function applyHealthWrite(previous: AgentRuntimeHealthSummary | undefined, input: Omit<HealthWriteInput, 'agentId'>): AgentRuntimeHealthSummary;
export declare function applyProviderFailure(previous: AgentRuntimeHealthSummary | undefined, input: Omit<ProviderFailureInput, 'agentId'>): AgentRuntimeHealthSummary;
export declare function runtimeHandleHealth(runtime: AgentRuntimeHandleSnapshot | undefined, previous: AgentRuntimeHealthSummary | undefined, nowIso: string): {
    reason?: AgentHealthReason;
    state: 'degraded' | 'healthy' | 'unhealthy';
    updatedAt: string;
};
export declare function startingTimeoutHealth(snapshot: AgentRuntimeHealthSummary, nowIso: string): AgentRuntimeHealthSummary | undefined;
export declare function isStaleRunningItem(input: {
    active?: {
        startedAt?: string;
        workerId: string;
    };
    activeItemMismatchGraceMs: number;
    includeProviderChildCheck: boolean;
    nowMs: number;
    runningItemId: string;
    runtime: AgentRuntimeHandleSnapshot | undefined;
}): boolean;
export declare function deriveApiHealth(snapshot: AgentRuntimeHealthSummary | undefined, queue: {
    active?: {
        startedAt?: string;
        workerId: string;
    };
    runningItemId?: string;
}, nowIso: string): AgentRuntimeHealthSummary;
export declare function restartStatus(command: AgentRestartCommand, outcome: AgentRestartOutcome, nowIso: string, runtime?: AgentRuntimeHandleSnapshot, reason?: AgentHealthReason): AgentRestartStatusSummary;
export declare function isProviderFailureReason(reason: AgentHealthReason | undefined): boolean;
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