import { type BaseProvider, type Message, type StreamOptions, type SendOptions, type UnifiedResponse, type ProviderCapability } from './types.js';
export declare class AnthropicProvider implements BaseProvider {
    readonly id = "anthropic";
    readonly capabilities: ReadonlySet<ProviderCapability>;
    private client;
    constructor(apiKey: string);
    private sanitizeMessages;
    private resolveModel;
    streamMessage(messages: Message[], options: StreamOptions): Promise<UnifiedResponse>;
    sendMessage(messages: Message[], options: SendOptions): Promise<UnifiedResponse>;
}
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