/**
 * Anthropic Messages wire types. The subset Claude Code and other Messages
 * clients send to `/v1/messages`. Translation lives in `anthropic-codec.ts`;
 * HTTP handling lives in `anthropic.ts`.
 */
import type { AnthropicThinkingConfig } from "./openai-chat-wire.js";
export type AnthropicTextBlock = {
    type: "text";
    text: string;
};
export type AnthropicImageBlock = {
    type: "image";
    source: {
        type: "base64";
        media_type: string;
        data: string;
    };
};
export type AnthropicToolUseBlock = {
    type: "tool_use";
    id: string;
    name: string;
    input: unknown;
};
export type AnthropicToolResultBlock = {
    type: "tool_result";
    tool_use_id: string;
    content?: string | AnthropicContentBlock[];
    is_error?: boolean;
};
export type AnthropicContentBlock = AnthropicTextBlock | AnthropicImageBlock | AnthropicToolUseBlock | AnthropicToolResultBlock | {
    type: string;
    [key: string]: unknown;
};
export type AnthropicThinking = AnthropicThinkingConfig | null;
export type AnthropicOutputConfig = {
    effort?: string | null;
    [key: string]: unknown;
};
export type AnthropicMessage = {
    role: "user" | "assistant";
    content: string | AnthropicContentBlock[];
};
/**
 * Optional object fields tolerate an explicit JSON `null` (some clients encode
 * "unset" that way — Codex does on the Responses wire); reads must use
 * null-tolerant guards so a null never crashes the turn.
 */
export type AnthropicRequest = {
    model?: string;
    system?: string | AnthropicTextBlock[] | null;
    messages: AnthropicMessage[];
    max_tokens?: number;
    temperature?: number;
    top_p?: number;
    top_k?: number;
    thinking?: AnthropicThinking | null;
    output_config?: AnthropicOutputConfig | null;
    metadata?: Record<string, unknown> | null;
    stop_sequences?: string[];
    stream?: boolean;
    tools?: Array<{
        type?: string;
        name: string;
        description?: string;
        input_schema?: unknown;
    }>;
    tool_choice?: {
        type: "auto" | "any" | "tool" | "none";
        name?: string;
        disable_parallel_tool_use?: boolean;
    } | null;
};