export declare class DueStringParseError extends Error {
    constructor(message: string);
}
export declare class BatchDueStringParseError extends Error {
    constructor(message: string);
}
/**
 * Compact single-line variant of {@link formatToolExecutionError} for batch
 * tools that report per-item failures. Unlike `error.message` (which for SDK
 * errors is just "HTTP 403: Forbidden"), this preserves the API error signals
 * (status, code, tag) so failures like MAX_ITEMS_LIMIT_REACHED stay
 * recognizable after aggregation.
 */
export declare function formatBatchItemError(error: unknown): string;
/**
 * Return task-specific recovery guidance only when Todoist rejected a supplied
 * natural-language due string. The REST API currently returns the generic
 * text "Invalid date format" without a stable field/tag, so callers must pass
 * the known field context before we use that fallback.
 */
export declare function formatDueStringParseError(error: unknown, { taskContent, dueString, deadlineDate, }: {
    taskContent: string;
    dueString: string | undefined;
    deadlineDate?: string;
}): string | undefined;
/**
 * Format tool execution errors in a consistent, actionable format.
 */
export declare function formatToolExecutionError(error: unknown): string;
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