/**
 * Model metadata and selection management
 */
import type { Model, ModelConfig, Configuration } from '../types/index.js';
/**
 * Get model by ID from cache
 */
export declare function getModelById(config: Configuration, modelId: string): Promise<Model | null>;
/**
 * Search models by name or ID
 */
export declare function searchModels(config: Configuration, query: string): Promise<Model[]>;
/**
 * Get popular models (commonly used ones)
 */
export declare function getPopularModels(config: Configuration): Promise<Model[]>;
/**
 * Convert Model to ModelConfig
 */
export declare function modelToConfig(model: Model, enabled?: boolean): ModelConfig;
/**
 * Get next model in cycling order
 */
export declare function getNextModel(enabledModels: ModelConfig[], currentIndex: number): {
    model: ModelConfig;
    index: number;
};
/**
 * Get previous model in cycling order
 */
export declare function getPreviousModel(enabledModels: ModelConfig[], currentIndex: number): {
    model: ModelConfig;
    index: number;
};
/**
 * Get model index by ID
 */
export declare function getModelIndex(enabledModels: ModelConfig[], modelId: string): number;
/**
 * Record model usage
 */
export declare function recordModelUsage(config: Configuration, modelId: string): Promise<Configuration>;
/**
 * Sort models by last used (most recent first)
 */
export declare function sortModelsByUsage(models: ModelConfig[]): ModelConfig[];
/**
 * Get model context length
 */
export declare function getModelContextLength(config: Configuration, modelId: string): Promise<number>;
/**
 * Validate that all enabled models exist in cache
 */
export declare function validateEnabledModels(config: Configuration): Promise<boolean>;
/**
 * Get model pricing information
 */
export declare function getModelPricing(config: Configuration, modelId: string): Promise<{
    prompt: string;
    completion: string;
} | null>;
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