export type ContentBlock = {
    type: 'text';
    text: string;
} | {
    type: 'tool_use';
    id: string;
    name: string;
    input: Record<string, unknown>;
} | {
    type: 'tool_result';
    tool_use_id: string;
    output: string;
    is_error?: boolean;
};
export interface Message {
    role: 'user' | 'assistant';
    content: ContentBlock[];
}
export type StreamEvent = {
    type: 'text_delta';
    text: string;
} | {
    type: 'tool_call_start';
    id: string;
    name: string;
} | {
    type: 'tool_call_delta';
    id: string;
    args_delta: string;
} | {
    type: 'tool_call_end';
    id: string;
    name: string;
    args: string;
} | {
    type: 'thinking_delta';
    text: string;
} | {
    type: 'usage';
    input_tokens: number;
    output_tokens: number;
} | {
    type: 'done';
    stop_reason: string;
};
export interface ToolDef {
    name: string;
    description: string;
    parameters: Record<string, unknown>;
}
export interface ChatParams {
    messages: Message[];
    system: string;
    tools: ToolDef[];
    maxTokens: number;
    temperature?: number;
    thinkingEffort?: 'low' | 'medium' | 'high';
}
export interface LLMProvider {
    readonly name: string;
    readonly model: string;
    chat(params: ChatParams): AsyncIterable<StreamEvent>;
    countTokens(text: string): Promise<number>;
}
export interface ProviderConfig {
    type: 'anthropic' | 'openai-compat';
    apiKey?: string;
    baseURL?: string;
    model: string;
    thinkingEffort?: 'low' | 'medium' | 'high';
    maxTokens?: number;
}
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