export declare class LeadifyApiError extends Error {
    readonly statusCode: number;
    readonly responseBody: unknown;
    constructor(statusCode: number, responseBody: unknown);
}
export interface ToolResult {
    [key: string]: unknown;
    content: Array<{
        type: "text";
        text: string;
    }>;
    isError?: boolean;
}
export declare function toolResult(data: unknown): ToolResult;
export declare function toolError(message: string, details?: unknown): ToolResult;
export declare function handleToolError(error: unknown): ToolResult;