/**
 * Known LLM gateway presets — sdk / contextWindow defaults for common proxies.
 * Applied during ai.providers normalization (agent) and transport model resolution.
 */
import type { SdkId } from './sdk-registry.js';
import type { ProviderInstanceConfig } from './types/model.js';
export interface ProviderGatewayPreset {
    /** Provider alias (exact, case-insensitive) */
    aliases?: readonly string[];
    /** baseUrl must include one of these substrings (case-insensitive) */
    baseUrlIncludes?: readonly string[];
    sdk?: SdkId;
    contextWindow?: number;
    /** When true, preset sdk overrides yaml sdk when baseUrl matches */
    coerceSdk?: boolean;
}
/** Curated gateways; extend when adding first-class proxy docs. */
export declare const PROVIDER_GATEWAY_PRESETS: readonly ProviderGatewayPreset[];
/** Apply gateway defaults; yaml explicit fields win except coerceSdk gateways. */
export declare function applyProviderGatewayPreset(alias: string, config: ProviderInstanceConfig): ProviderInstanceConfig;
/** Detect sdk/baseUrl mismatches that break chat/completions vs /responses routing. */
export declare function validateProviderGatewayConfig(alias: string, config: ProviderInstanceConfig): string[];
/** Heuristic: model emits reasoning before answer (MiMo, DeepSeek-R, etc.). */
export declare function inferModelReasoning(modelId: string): boolean;
export declare function resolveTransportContextWindow(config: ProviderInstanceConfig, modelId: string): number;
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