/**
 * LLM-specific error classes.
 *
 * Part of Phase 6A: LLM Provider Abstraction Layer.
 */
import { LisaError } from './LisaError';
/**
 * Error thrown when LLM is disabled but an LLM operation is requested.
 */
export declare class LlmDisabledError extends LisaError {
    constructor(message?: string);
}
/**
 * Error thrown when the LLM provider returns an error.
 */
export declare class LlmProviderError extends LisaError {
    readonly statusCode?: number | undefined;
    constructor(message: string, statusCode?: number | undefined, data?: Record<string, unknown>);
}
/**
 * Error thrown for invalid LLM configuration.
 */
export declare class LlmConfigError extends LisaError {
    constructor(message: string, data?: Record<string, unknown>);
}
/**
 * Error thrown when a specific LLM feature is disabled.
 */
export declare class LlmFeatureDisabledError extends LisaError {
    readonly feature: string;
    constructor(feature: string, data?: Record<string, unknown>);
}
/**
 * Error thrown when the monthly LLM budget has been exceeded.
 */
export declare class LlmBudgetExceededError extends LisaError {
    readonly currentCost: number;
    readonly budgetLimit: number;
    constructor(currentCost: number, budgetLimit: number, data?: Record<string, unknown>);
}
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