export declare class AgentError extends Error {
    readonly code: string;
    readonly details: Record<string, unknown>;
    constructor(message: string, code: string, details?: Record<string, unknown>);
    toJSON(): {
        name: string;
        code: string;
        message: string;
        details: Record<string, unknown>;
    };
}
export declare class AgentBudgetError extends AgentError {
    constructor(cost: number, limit: number);
}
export declare class AgentIterationError extends AgentError {
    constructor(iterations: number, maxIterations: number);
}
export declare class ToolExecutionError extends AgentError {
    constructor(toolName: string, reason: string);
}
export declare class ToolPermissionError extends AgentError {
    constructor(toolName: string, requiredRole: string, userRole: string);
}
export declare class ToolNotFoundError extends AgentError {
    constructor(toolName: string);
}
export declare function parseAgentError(data: {
    error?: {
        code?: string;
        message?: string;
        details?: Record<string, unknown>;
    };
}): AgentError;
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