/** LLM Model descriptor (ADR 0009 D1 / ADR 0018 transport). */
import type { SdkId } from '../sdk-registry.js';
/** @deprecated Legacy api ids in persisted messages; new transport uses `ai-sdk`. */
export type ModelApi = 'ai-sdk' | 'openai-completions' | 'anthropic-messages' | 'google-generative-ai' | 'ollama-chat' | 'cloudflare-workers-ai' | string;
export type ModelInputModality = 'text' | 'image';
export interface ModelCostRates {
    input: number;
    output: number;
    cacheRead: number;
    cacheWrite: number;
}
export interface OpenAiCompatFlags {
    supportsDeveloperRole?: boolean;
    supportsReasoningContent?: boolean;
    toolCallsInAssistant?: boolean;
}
export interface Model {
    id: string;
    name?: string;
    provider: string;
    api: ModelApi;
    sdk?: SdkId;
    baseUrl?: string;
    compat?: OpenAiCompatFlags;
    reasoning?: boolean;
    input: ModelInputModality[];
    contextWindow: number;
    maxTokens: number;
    cost?: ModelCostRates;
}
export interface ProviderInstanceConfig {
    sdk: SdkId;
    apiKey?: string;
    authScheme?: string;
    baseUrl?: string;
    compat?: OpenAiCompatFlags;
    headers?: Record<string, string>;
    timeout?: number;
    maxRetries?: number;
    /** Cloudflare Workers AI */
    accountId?: string;
    /** Ollama */
    host?: string;
    /** Explicit model allowlist (yaml); overrides sdk preset */
    models?: string[];
    /** Default / preferred model; prepended to models list when absent */
    defaultModel?: string;
    /** Context window override */
    contextWindow?: number;
    /** Inherited from ProviderConfig — image defaults */
    imageGeneration?: import('../../image-generation.js').ImageGenerationDefaults;
}
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