/**
 * Provider-specific token limit utilities
 * Provides safe maxTokens values based on provider and model capabilities
 */
import { PROVIDER_MAX_TOKENS } from "../core/constants.js";
/**
 * Get the safe maximum tokens for a provider and model
 */
export declare function getSafeMaxTokens(provider: keyof typeof PROVIDER_MAX_TOKENS | string, model?: string, requestedMaxTokens?: number): number | undefined;
/**
 * Validate if maxTokens is safe for a provider/model combination
 */
export declare function validateMaxTokens(provider: keyof typeof PROVIDER_MAX_TOKENS | string, model?: string, maxTokens?: number): {
    isValid: boolean;
    recommendedMaxTokens?: number;
    warning?: string;
};
/**
 * Get provider-specific token limit recommendations
 */
export declare function getTokenLimitRecommendations(provider: string): {
    conservative: number;
    balanced: number;
    maximum: number;
    models: Record<string, number>;
};
/**
 * Get all provider limits summary
 */
export declare function getAllProviderLimits(): Record<string, {
    default: number;
    models: Record<string, number>;
}>;