export type InvocationRateLimit = {
    level: 'tool' | 'provider';
    count: number;
    window_sec: number;
    scope: 'tool_provider_shared';
    source: 'declaration' | 'tool_override' | 'provider_default' | 'provider_total';
};
export type InvocationRateLimitFields = {
    retry_after_ms?: number;
    rate_limit?: InvocationRateLimit;
};
/** Additive v1 fields. Missing fields keep compatibility with older Core responses. */
export declare function parseInvocationRateLimit(body: Record<string, unknown>): InvocationRateLimitFields | null;
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