import { FormatContext, FormatDataType } from './format-context';
import { ValueType } from '../sql/operands/value-type';
export declare abstract class CounterFormatContext implements FormatContext {
    private prefix;
    private values;
    constructor(prefix: string);
    appendValue(value: ValueType): string;
    getValues(): ValueType[];
    escape(value: string): string;
    abstract getDataType(options: FormatDataType): string;
    restoreValue(type: FormatDataType, value: any): any;
}