export interface ToolSchema {
    type?: string;
    properties?: Record<string, ToolSchema>;
    required?: string[];
    items?: ToolSchema;
}
export declare class ToolArgumentError extends Error {
    constructor(message: string);
}
/**
 * Closest name by edit distance alone.
 *
 * suggestParameter is the wrong ranking for a value drawn from a fixed list.
 * It puts shared whole words first, which is right for parameter names — `date`
 * really does mean `txn_date` — but wrong for an enum whose members are
 * variations on one phrase: against `aged_payable` it prefers
 * `aged_payable_detail`, which shares two words, over `aged_payables`, which is
 * a single character away and obviously what was meant.
 */
export declare function suggestClosest(unknown: string, valid: string[]): string | undefined;
/**
 * Best valid name for a misspelling, or undefined when nothing is close.
 *
 * Edit distance alone is not enough for the misspellings that actually happen
 * here, because the real names are compounds: `date` → `txn_date` is four edits
 * apart but shares the whole word. Shared underscore-separated tokens rank
 * first, edit distance breaks the tie.
 */
export declare function suggestParameter(unknown: string, valid: string[]): string | undefined;
/**
 * Throw unless `args` matches the tool's declared input schema.
 *
 * Checks unknown keys and required keys, at every nesting level. Types and
 * enums are deliberately left to the handlers and to QuickBooks, so that a
 * value the handler already normalizes is not rejected here.
 */
export declare function validateToolArguments(toolName: string, schema: ToolSchema | undefined, args: Record<string, unknown> | undefined): void;
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