import { GenericType } from "../../Common/Type";
import { IExpression } from "./IExpression";
import { ParameterExpression } from "./ParameterExpression";
export declare class FunctionExpression<T = any> implements IExpression<T> {
    body: IExpression<T>;
    params: Array<ParameterExpression>;
    type: GenericType<T>;
    itemType?: GenericType;
    constructor(body: IExpression<T>, params: Array<ParameterExpression>, type?: GenericType<T>);
    toString(): string;
    clone(replaceMap?: Map<IExpression, IExpression>): FunctionExpression<T>;
    hashCode(): number;
}