/**
 * Anthropic provider adapter
 *
 * Handles Anthropic Messages API format for request building,
 * response parsing, and message formatting.
 */
import type { ContentPart, PromptContent } from '../types.js';
import type { TooledPromptEmitter } from '../events.js';
import type { ProviderAdapter, ToolCallInfo, ToolResultInfo, ParsedResponse, BuildRequestParams, BuildRequestResult } from './types.js';
type AnthropicContentBlock = {
    type: 'text';
    text: string;
} | {
    type: 'image';
    source: {
        type: 'base64';
        media_type: string;
        data: string;
    } | {
        type: 'url';
        url: string;
    };
} | {
    type: 'tool_use';
    id: string;
    name: string;
    input: Record<string, unknown>;
} | {
    type: 'tool_result';
    tool_use_id: string;
    content: string | AnthropicContentBlock[];
};
export type AnthropicMessage = {
    role: 'user';
    content: string | AnthropicContentBlock[];
} | {
    role: 'assistant';
    content: AnthropicContentBlock[];
};
export declare class AnthropicProvider implements ProviderAdapter<AnthropicMessage> {
    buildRequest(params: BuildRequestParams): BuildRequestResult;
    formatUserMessage(content: PromptContent, prependImages?: ContentPart[]): AnthropicMessage;
    formatAssistantMessage(content: string, toolCalls: ToolCallInfo[]): AnthropicMessage;
    formatToolResults(results: ToolResultInfo[]): AnthropicMessage[];
    parseResponse(response: Response, streaming: boolean, emitter: TooledPromptEmitter, chunkTimeoutMs?: number, signal?: AbortSignal): Promise<ParsedResponse>;
}
export {};
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