import type { FallbackAttempt, ModelCandidate } from "./model-fallback.types.js";
import type { FailoverReason } from "./pi-embedded-helpers.js";
export declare function logModelFallbackDecision(params: {
    decision: "skip_candidate" | "probe_cooldown_candidate" | "candidate_failed" | "candidate_succeeded";
    runId?: string;
    requestedProvider: string;
    requestedModel: string;
    candidate: ModelCandidate;
    attempt?: number;
    total?: number;
    reason?: FailoverReason | null;
    status?: number;
    code?: string;
    error?: string;
    nextCandidate?: ModelCandidate;
    isPrimary?: boolean;
    requestedModelMatched?: boolean;
    fallbackConfigured?: boolean;
    allowTransientCooldownProbe?: boolean;
    profileCount?: number;
    previousAttempts?: FallbackAttempt[];
}): void;