/**
 * kosha-discovery — Anthropic provider discoverer.
 *
 * Queries the Anthropic `/v1/models` endpoint to enumerate all available
 * Claude models and maps them into normalized {@link ModelCard} objects.
 * @module
 */
import type { CredentialResult, ModelCard } from "../types.js";
import { BaseDiscoverer } from "./base.js";
/**
 * Derive normalized capability tags from the Models API `capabilities` tree.
 * Returns an empty array when the tree is absent so callers can fall back to
 * ID-based inference.
 */
export declare function capabilityTagsFromAnthropicApi(capabilities: Record<string, unknown> | undefined): string[];
/**
 * Discovers models available through the Anthropic API.
 *
 * Authentication is via `x-api-key` header. The endpoint is paginated,
 * so we loop until `has_more` is false.
 */
export declare class AnthropicDiscoverer extends BaseDiscoverer {
    readonly providerId = "anthropic";
    readonly providerName = "Anthropic";
    readonly baseUrl = "https://api.anthropic.com";
    /**
     * Fetch all models from the Anthropic API using cursor-based pagination.
     * @param credential - Must contain an `apiKey` or `accessToken`.
     * @param options    - Optional timeout override (default 10 s).
     * @returns Normalized model cards, or an empty array if unauthenticated.
     */
    discover(credential: CredentialResult, options?: {
        timeout?: number;
    }): Promise<ModelCard[]>;
    /**
     * Convert an Anthropic API model object into a normalized {@link ModelCard}.
     *
     * Capabilities are the union of ID-based inference (so pre-March-2026 API
     * responses without a `capabilities` tree keep working) and whatever the
     * live tree reports. Context window and output cap come straight from the
     * API when present; `makeCard` leaves them at 0 otherwise so the
     * enrichment pass can fill them.
     */
    private toModelCard;
    /**
     * Infer capability flags from the model ID string.
     *
     * All Claude chat models get "chat", "code", "nlu", and "function_calling".
     * Vision is added for Claude 3+ models (detected via regex).
     * @param modelId - The canonical Anthropic model ID.
     */
    private inferCapabilities;
    /**
     * Check whether a model ID indicates vision (multimodal) support.
     *
     * Every namespaced Claude family (opus/sonnet/haiku/fable/mythos) has been
     * multimodal since Claude 3, so family-first IDs (e.g. `claude-opus-5`,
     * `claude-sonnet-5`, `claude-fable-5-1`, `claude-haiku-4-5`) are matched
     * directly. Legacy version-first IDs (`claude-3`, `claude-3-5-haiku`,
     * `claude-4-6`) are covered by the major-version pattern.
     *
     * @param id - Lowercased model ID.
     * @returns `true` for Claude 3+ and all family-first Claude models.
     */
    private hasVisionSupport;
    /**
     * No-key fallback: source the latest provider catalogue from the public
     * seed pipeline (`getPublicSeed()`), which can merge models.dev,
     * LiteLLM, and promotional overrides. Falls back to the curated static
     * list only if public seed retrieval fails or returns no models.
     */
    private publicCatalogFallback;
    /** Return curated fallback models when both API and public catalog are unavailable. */
    private staticFallbackModels;
}
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