/**
 * check_currency — Check whether a Zimbabwean statute is currently in force.
 */
import type Database from '@ansvar/mcp-sqlite';
import { type ToolResponse } from '../utils/metadata.js';
export interface CheckCurrencyInput {
    document_id: string;
    provision_ref?: string;
    as_of_date?: string;
}
export interface CheckCurrencyResult {
    document_id: string;
    title: string;
    status: string;
    issued_date: string | null;
    in_force_date: string | null;
    warnings: string[];
}
export declare function checkCurrency(db: InstanceType<typeof Database>, input: CheckCurrencyInput): Promise<ToolResponse<CheckCurrencyResult>>;
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