import type { Capabilities, CustomModelDefinition, ModelsRegistry, WireFamily } from '@wrongstack/core/types';
export declare const FAMILY_BY_PROVIDER_ID: Partial<Record<string, WireFamily>>;
/**
 * Providers absent from models.dev whose per-model facts live under another
 * catalog id. Shared with `model-output-limits.ts` so the per-request output
 * ceiling resolves through exactly the same aliasing rules as the capability
 * overlay.
 */
export declare const SIBLING_CATALOG_BY_FAMILY: Partial<Record<WireFamily, string>>;
/**
 * Providers whose catalog entry lives under a models.dev id that is not their
 * own, keyed by provider TYPE rather than wire family (a gateway has no wire
 * family of its own).
 *
 * models.dev publishes the Vercel AI Gateway as provider `vercel`
 * (`npm: @ai-sdk/gateway`), and its model ids are already in gateway form —
 * `anthropic/claude-sonnet-5`. Do NOT try to resolve these by splitting the id
 * and looking the remainder up under `anthropic`: the two catalogs are not
 * guaranteed to agree on a slug. They happen to match for the Claude 5 family,
 * but the 4.x generation diverges (`anthropic/claude-sonnet-4.6` on the gateway
 * vs `claude-sonnet-4-6` on the provider), and a missed lookup silently drops
 * every limit back to a default.
 *
 * Shared with `model-output-limits.ts` so the per-request output ceiling
 * resolves through exactly the same aliasing rules as the capability overlay.
 */
export declare const CATALOG_ALIAS_BY_PROVIDER_TYPE: Partial<Record<string, string>>;
/**
 * The models.dev id to read facts from for a saved provider entry. Checks the
 * config `type` first so a user alias (`gateway-work` → `type: "ai-gateway"`)
 * resolves the same as the canonical id.
 */
export declare function catalogProviderIdFor(providerId: string, type?: string | undefined): string;
/**
 * Split a gateway model id (`"anthropic/claude-sonnet-5"`) into the upstream
 * catalog provider and its native model id. Only the FIRST separator is
 * significant — model ids may themselves contain slashes
 * (`"meta/llama-3.1-70b/instruct"`).
 */
export declare function splitGatewayModelId(modelId: string): {
    providerId: string;
    modelId: string;
} | undefined;
export interface CapabilitiesForOptions {
    /**
     * models.dev id to read per-model facts from, when it differs from the
     * user-visible provider id (see {@link CATALOG_ALIAS_BY_PROVIDER_TYPE}).
     * Without it an AI Gateway provider resolves to the `unsupported` family —
     * whose baseline has `tools: false`, `streaming: false` and
     * `systemPrompt: false` — and the overlay silently strips every capability
     * the transport actually has.
     */
    catalogProviderId?: string | undefined;
    /**
     * Baseline to overlay catalog facts onto, replacing the wire-family default.
     * Pass a transport's self-declared capabilities when the family map cannot
     * describe it — otherwise an unknown provider id silently downgrades a fully
     * capable transport to the `unsupported` baseline.
     */
    baseCapabilities?: Capabilities | undefined;
}
/**
 * Resolve capabilities for a (provider, model) pair using the family default
 * as a baseline and overlaying per-model facts from the ModelsRegistry.
 *
 * Priority chain (highest first):
 *  1. customModels[modelId].capabilities  — user-defined per-model overrides
 *  2. model facts from registry           — sub-fields AND-ed with base
 *  3. family default                      — e.g. 32K for openai-compatible
 */
export declare function capabilitiesFor(registry: ModelsRegistry, providerId: string, modelId: string, customModels?: Record<string, CustomModelDefinition>, options?: CapabilitiesForOptions): Promise<Capabilities>;
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