export interface ChatMessage {
    role: "system" | "user" | "assistant";
    content: string;
}
export interface CompleteOptions {
    estimateUsd?: number;
    /**
     * JSON Schema for the response (Track #145). On SDK adapters this forces a
     * tool call whose input matches the schema → the returned `text` is always
     * valid JSON (no regex extraction / parse-error fallback). Ignored by the
     * stateless agent-cli / noop adapters.
     */
    responseSchema?: Record<string, unknown>;
}
export interface ConnectorResult {
    text: string;
    usdSpent: number;
    modelUsed: string;
    llmQuality: "higher" | "lower";
    cacheHit: boolean;
}
export interface ConnectorClient {
    complete(messages: ChatMessage[], opts?: CompleteOptions): Promise<ConnectorResult>;
}
export declare class ConnectorNotImplementedError extends Error {
    name: string;
    constructor(connector: string);
}