import type { ProviderConfig } from "../config.js";
import { type QuotaObservation } from "../quota-observation.js";
export declare const DEFAULT_PING_TIMEOUT_MS = 15000;
export interface PingResult {
    code: string;
    ms: number;
    quotaObservations: QuotaObservation[];
}
export declare function markDisabledThinkingUnsupported(providerName: string): void;
export declare function shouldUseDisabledThinkingForProvider(providerName: string): boolean;
export declare function buildPingEndpoint(base: string, kind: string): string;
export declare function buildPingRequest(providerName: string, modelId: string, cfg: ProviderConfig, apiKey?: string, options?: {
    disableThinking?: boolean;
}): {
    url: string;
    headers: Record<string, string>;
    body: Record<string, unknown>;
};
/** Execute a single async ping to measure latency and remaining quota. */
export declare function pingProviderModel(providerName: string, modelId: string, cfg: ProviderConfig, apiKey?: string, opts?: {
    timeoutMs?: number;
    fetchFn?: typeof fetch;
}): Promise<PingResult>;