/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { AnthropicModelConfig } from "./Anthropic_ModelSchema";
/**
 * Highest Claude generation that still accepts `temperature` / `top_p`.
 * Newer generations reject them with HTTP 400, which maps to a
 * non-retryable `PermanentJobError`.
 */
export declare const ANTHROPIC_LAST_SAMPLING_MAJOR = 4;
/** Highest minor within {@link ANTHROPIC_LAST_SAMPLING_MAJOR} that accepts them. */
export declare const ANTHROPIC_LAST_SAMPLING_MINOR = 6;
interface ParsedAnthropicModelId {
    /** Empty for the bare `claude-2.1` shape, which carries no family name. */
    readonly family: string;
    readonly major: number;
    readonly minor: number | undefined;
}
/**
 * Parses the three id shapes Anthropic has shipped:
 * - modern `claude-<family>-<major>[-<minor>][-<date>]` (`claude-opus-4-8`)
 * - legacy `claude-<major>[-<minor>]-<family>[-<date>]` (`claude-3-5-sonnet-20241022`)
 * - bare `claude-[instant-]<major>[.<minor>]` (`claude-2.1`, `claude-instant-1.2`)
 *
 * Returns `undefined` for anything else, including non-Claude ids.
 */
export declare function parseAnthropicModelId(id: string): ParsedAnthropicModelId | undefined;
/**
 * Whether the configured model accepts `temperature` / `top_p`.
 *
 * This is an allow-list of generations known to accept them, not a deny-list
 * of the ones that reject them: an id that does not match a known-accepting
 * shape is treated as rejecting. A wrong `false` changes sampling behavior; a
 * wrong `true` is an unrecoverable 400, so an unrecognized id defaults to
 * omitting. `provider_config.sampling_params` overrides the decision either way.
 */
export declare function anthropicAcceptsSamplingParams(model: AnthropicModelConfig | undefined): boolean;
interface AnthropicSamplingInput {
    readonly temperature?: number;
    readonly topP?: number;
}
/**
 * Copies the caller's sampling fields onto an Anthropic request body when the
 * model accepts them. On a rejecting model the keys are left absent (rather
 * than set to `undefined`) and a single warning names everything dropped, so
 * the user's setting becoming a no-op is visible without failing the request.
 *
 * Call this after {@link applyAnthropicThinkingParams}: whether the request
 * carries extended thinking decides whether sampling is legal at all.
 */
export declare function applyAnthropicSamplingParams(params: Record<string, unknown>, input: AnthropicSamplingInput, model: AnthropicModelConfig | undefined): void;
export {};