import type { z } from 'zod';
export interface ChatMessage {
    role: 'system' | 'user' | 'assistant';
    content: string;
}
export interface LLMProvider {
    readonly modelId: string;
    readonly providerName: string;
    chat(messages: ChatMessage[]): Promise<string>;
    chatStructured<T>(messages: ChatMessage[], schema: z.ZodType<T>, schemaName: string): Promise<T>;
    countTokens(text: string): number;
}
export declare class SchemaValidationError extends Error {
    readonly attempts: number;
    readonly lastError: Error;
    constructor(attempts: number, lastError: Error);
}
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