import { CharacterArg, TextType } from '..';
import { AnyExpression, Expression } from '../../expressions';
import { ConstraintConfig } from '../../functions';
import { Type } from '../index';
export declare const BYTEA: () => ByteaType<true>;
export declare type ByteaArg = ByteaType['argument'];
export interface ByteaType<R extends boolean = any> extends Type<'BYTEA', R> {
    expression: ByteaExpression<R>;
    argument: Expression<ByteaType> | this['input'];
    required(conf?: ConstraintConfig): ByteaType<false>;
}
export interface ByteaExpression<R extends boolean = any> extends AnyExpression<ByteaType<R>> {
    concat(arg: ByteaArg): ByteaExpression<R>;
    concat(arg: CharacterArg): Expression<TextType<R>>;
}