/** Per-agent D1 database client. */
export interface DbClient {
    query<T = unknown>(sql: string, params?: unknown[]): Promise<T[]>;
    execute(sql: string, params?: unknown[]): Promise<{
        changes: number;
        lastRowId: number;
    }>;
    batch(statements: {
        sql: string;
        params?: unknown[];
    }[]): Promise<unknown[]>;
}
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