import { Ast } from "./ast";
export interface Slot {
    readonly name: string;
    getIndex(): number;
    finalizedAst(): Ast;
}
export interface BaseExpr {
    load?: Slot[];
    exprs?: Expr[];
}
export interface LoadExpr extends BaseExpr {
    type: "load";
}
export interface ConstantExpr extends BaseExpr {
    type: "constant";
    value: any;
}
export interface ValueExpr extends BaseExpr {
    type: "value";
    slot: Slot;
}
export interface IteratorExpr extends BaseExpr {
    type: "iterator";
    name: string;
}
export interface StateExpr extends BaseExpr {
    type: "state";
}
export interface IfExpr extends BaseExpr {
    type: "if";
}
export interface CallExpr extends BaseExpr {
    type: "call";
    func: string;
}
export interface ListExpr extends BaseExpr {
    type: "list";
}
export interface InputExpr extends BaseExpr {
    type: "input";
}
export interface ListComprehensionExpr extends BaseExpr {
    type: "listComprehension";
    iterator: string;
}
export declare type Expr = InputExpr | LoadExpr | ConstantExpr | ValueExpr | IteratorExpr | StateExpr | IfExpr | CallExpr | ListExpr | ListComprehensionExpr;
interface SerializedExpr {
    load: number[];
    exprs: SerializedExpr[];
    [key: string]: any;
}
export declare function serializeExpr(expr: Expr): SerializedExpr;
export {};