import { GenericType } from "../../Common/Type";
import { IColumnExpression } from "./IColumnExpression";
import { IEntityExpression } from "./IEntityExpression";
import { ColumnType } from "../../Common/ColumnType";
import { IColumnMetaData } from "../../MetaData/Interface/IColumnMetaData";
import { IExpression } from "../../ExpressionBuilder/Expression/IExpression";
export declare class ColumnExpression<TE = any, T = any> implements IColumnExpression<TE, T> {
    type: GenericType<T>;
    propertyName: keyof TE;
    columnName: string;
    alias?: string;
    readonly dataPropertyName: string;
    columnMeta: IColumnMetaData<TE, T>;
    entity: IEntityExpression<TE>;
    isPrimary: boolean;
    isNullable: boolean;
    constructor(entity: IEntityExpression<TE>, columnMeta: IColumnMetaData<TE, T>, isPrimary?: boolean);
    constructor(entity: IEntityExpression<TE>, type: GenericType<T>, propertyName: keyof TE, columnName: string, isPrimary?: boolean, isNullable?: boolean, columnType?: ColumnType);
    toString(): string;
    clone(replaceMap?: Map<IExpression, IExpression>): ColumnExpression<TE, T>;
    hashCode(): number;
}