import type { AurixConfig } from './Config.js';
export type ModelContextSource = 'config' | 'env' | 'cache' | 'models' | 'marker' | 'catalog' | 'registry' | 'fallback';
export interface ModelContextInfo {
    context: number;
    input?: number;
    output?: number;
    source: ModelContextSource;
    confidence: 'explicit' | 'high' | 'medium' | 'low';
    endpoint?: string;
    updatedAt: number;
}
export declare function getCachedModelContextInfo(config: AurixConfig): ModelContextInfo | undefined;
export declare function getCachedModelContextLimit(config: AurixConfig): number | undefined;
export declare function saveCachedModelContextInfo(config: AurixConfig, info: ModelContextInfo): void;
export declare function saveCachedModelContextLimit(config: AurixConfig, contextLength: number): void;
export declare function parseProviderContextLimitFromError(error: unknown): number | undefined;
export declare function parseProviderOutputLimitFromError(error: unknown): number | undefined;
export declare function parseContextErrorInfo(error: unknown): Partial<Pick<ModelContextInfo, 'context' | 'output'>>;
export declare function parseContextMarker(model: string): number | undefined;
export declare function fallbackModelContextLimit(model: string): number;
/**
 * Looks the model up in the LiteLLM-derived registry vendored at model-registry.json.
 * Sits below the curated catalog: the catalog is tiny and can be hotfixed the day a model
 * ships, while the registry covers the long tail we would otherwise have to guess at.
 */
export declare function registryModelLimits(model: string): {
    input: number;
    output?: number;
} | undefined;
export declare function resolveFromModelsPayload(payload: any, model: string, endpoint?: string): ModelContextInfo | undefined;
export interface ModelContextResolveOptions {
    preferFreshModels?: boolean;
    timeoutMs?: number;
}
export declare function resolveModelContextInfo(config: AurixConfig, options?: ModelContextResolveOptions): Promise<ModelContextInfo>;
export declare function resolveModelContextLimit(config: AurixConfig, options?: ModelContextResolveOptions): Promise<number>;
export declare function modelContextDiagnostic(info: ModelContextInfo): string;
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