/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { AnthropicModelConfig } from "./Anthropic_ModelSchema";
export interface AnthropicThinkingParams {
    readonly thinking?: Record<string, unknown>;
    readonly output_config?: Record<string, unknown>;
    readonly max_tokens: number;
}
/**
 * Claude 4.6+ (and 5.x) accept adaptive thinking + `output_config.effort`.
 * Earlier thinking-capable ids use `thinking.type = "enabled"` + `budget_tokens`.
 * Unrecognized ids stay on the legacy path (safer than a 400 on adaptive).
 */
export declare function anthropicSupportsAdaptiveThinking(model: AnthropicModelConfig | undefined): boolean;
/**
 * Builds Anthropic request thinking fields from native `provider_config` or
 * `model.effort`. Native `thinking` / `output_config.effort` always win.
 * `effort: "none"` (or unset with no native knobs) omits thinking fields.
 */
export declare function buildAnthropicThinkingParams(model: AnthropicModelConfig | undefined, maxTokens: number): AnthropicThinkingParams;
/**
 * Merges thinking / output_config / padded max_tokens onto an Anthropic request
 * body. Call this after `tool_choice` is on `params` and before sampling params
 * — both of the guards below read what has already been built.
 */
export declare function applyAnthropicThinkingParams(params: Record<string, unknown>, model: AnthropicModelConfig | undefined): void;