export declare const MAX_RECENT_CALLS = 50;
export declare const DEFAULT_MIN_CALLS_FOR_SCORE = 5;
export interface RecentCall {
    timestamp: number;
    ok: boolean;
    latencyMs: number;
    tokens?: number;
}
export interface ModelTelemetry {
    providerKey: string;
    modelId: string;
    totalCalls: number;
    successCalls: number;
    totalLatencyMs: number;
    totalCompletionTokens: number;
    completionTokenCalls: number;
    lastCalledAt: number;
    recentCalls: RecentCall[];
}
export interface TelemetryData {
    version: 2;
    models: Record<string, ModelTelemetry>;
}
export declare function getRuntimeTelemetryPath(): string;
export declare function loadRuntimeTelemetry(opts?: {
    path?: string;
    reload?: boolean;
}): TelemetryData;
export declare function flushRuntimeTelemetry(opts?: {
    path?: string;
    telemetry?: TelemetryData;
}): void;
export declare function recordModelCall(providerKey: string, modelId: string, callResult: {
    ok: boolean;
    latencyMs: number;
    completionTokens?: number;
}, opts?: {
    now?: number;
    path?: string;
}): void;
export declare function getRealWorldScore(providerKey: string, modelId: string, opts?: {
    minCalls?: number;
    path?: string;
    telemetry?: TelemetryData;
    now?: number;
}): number | null;
/** Most recent successful real request, used to avoid actively probing what traffic just proved. */
export declare function getLastSuccessfulCallAt(providerKey: string, modelId: string, opts?: {
    path?: string;
    telemetry?: TelemetryData;
}): number | null;