/**
 * Claude Code model picker and Anthropic-shaped `/v1/models` discovery.
 * Catalog policy, not wire translation: picker ids resolve onto RouteKit
 * routes before the Messages codec runs.
 */
import type { ModelReasoningCapabilities, ReasoningSelection } from "@velum-labs/routekit-contracts";
import type { AnthropicRequest } from "./anthropic-wire.js";
/** Historical Claude Code discovery alias prefix. Never emitted by new installs. */
export declare const CLAUDE_ALIAS_PREFIX = "claude-";
/**
 * Claude Code admits arbitrary custom entries in `availableModels` when they
 * begin with `anthropic.`. The RouteKit discriminator makes the value
 * reversible and reserves it from provider-native model spelling.
 */
export declare const CLAUDE_PICKER_PREFIX = "anthropic.routekit.";
export type ClaudePickerModelRoute = {
    publicId: string;
    nativeId: string;
    provider: string;
    reasoning?: ModelReasoningCapabilities;
};
export type ClaudeModelSelection = {
    status: "resolved";
    model: string;
    clientModel: string;
    selection: ReasoningSelection;
} | {
    status: "unsupported_effort";
    model: string;
    message: string;
} | {
    status: "ambiguous_model";
    model: string;
    message: string;
} | {
    status: "passthrough";
    model: string;
};
/** Claude Code's new native-picker spelling for one RouteKit catalog route. */
export declare function claudePickerClientModel(route: ClaudePickerModelRoute): string;
export declare function resolveClaudeModelAlias(requested: string | undefined, modelIds?: readonly string[], modelRoutes?: readonly ClaudePickerModelRoute[]): string | undefined;
/**
 * Resolve a Claude Code picker id (base or effort-qualified) to the served
 * model and request-scoped reasoning selection.
 */
export declare function resolveClaudeModelSelection(requested: string | undefined, modelIds?: readonly string[], modelRoutes?: readonly ClaudePickerModelRoute[]): ClaudeModelSelection;
/**
 * Apply a request-scoped effort selection onto an Anthropic Messages body.
 *
 * Effort selections use adaptive thinking plus `output_config.effort`. Base /
 * auto selections leave thinking and output_config untouched so provider
 * defaults remain in force.
 */
export declare function withClaudeReasoningSelection(body: AnthropicRequest, selection: ReasoningSelection): AnthropicRequest;
/**
 * Anthropic-shaped `/v1/models` response. IDs remain canonical RouteKit ids:
 * Claude Code filters arbitrary IDs from dynamic discovery, so RouteKit uses
 * its supported `availableModels` custom-model path for the native picker.
 * `modelIds` is the full advertised set (default model first); when absent we
 * fall back to the single backend default.
 */
export declare function anthropicModelsResponse(backendModel: string | undefined, modelIds?: readonly string[], _modelRoutes?: readonly ClaudePickerModelRoute[]): Response;