declare interface WhereCondition<T, V = unknown> {
  type: 'and' | 'or'
  method: 'where' | 'whereIn' | 'whereNull' | 'whereNotNull' | 'whereBetween' | 'whereExists'
  column: keyof T
  operator?: Operator
  value?: V
  values?: V[] | [V, V]
  range?: [V, V]
  callback?: (query: SubqueryBuilder<T>) => void
}
export type Operator = '=' | '<' | '>' | '<=' | '>=' | '<>' | '!=' | 'like' | 'not like' | 'in' | 'not in' | 'between' | 'not between' | 'is' | 'is not';
export declare class SubqueryBuilder<T> {
  where<TKey extends keyof T>(column: TKey, ...args: [T[TKey]] | [Operator, T[TKey]]): void;
  orWhere<TKey extends keyof T>(column: TKey, ...args: [T[TKey]] | [Operator, T[TKey]]): void;
  whereIn<TKey extends keyof T>(column: TKey, values: T[TKey][]): void;
  whereNotIn<TKey extends keyof T>(column: TKey, values: T[TKey][]): void;
  whereNull(column: keyof T): void;
  whereNotNull(column: keyof T): void;
  whereBetween<TKey extends keyof T>(column: TKey, range: [T[TKey], T[TKey]]): void;
  whereExists(callback: (query: SubqueryBuilder<T>) => void): void;
  getConditions(): WhereCondition<T>[];
}