/**
 * @typedef {import("@helios-lang/compiler-utils").Site} Site
 * @typedef {import("@helios-lang/ir").SourceMappedStringI} SourceMappedStringI
 * @typedef {import("../typecheck/index.js").EvalEntity} EvalEntity
 * @typedef {import("../typecheck/index.js").Type} Type
 * @typedef {import("../typecheck/index.js").Typed} Typed
 */
/**
 * if-then-else expression
 */
export class IfElseExpr extends Expr {
    /**
     * @param {Site} site
     * @param {Type | undefined} prevType
     * @param {Type} newType
     * @returns {Type}
     */
    static reduceBranchType(site: Site, prevType: Type | undefined, newType: Type): Type;
    /**
     * @param {Site} site
     * @param {Type | undefined} prevType
     * @param {Typed} newValue
     * @returns {Type | undefined} - never ErrorType
     */
    static reduceBranchMultiType(site: Site, prevType: Type | undefined, newValue: Typed): Type | undefined;
    /**
     * @param {Site} site
     * @param {Expr[]} conditions
     * @param {Expr[]} branches
     */
    constructor(site: Site, conditions: Expr[], branches: Expr[]);
    /**
     * @private
     * @readonly
     * @type {Expr[]}
     */
    private readonly _conditions;
    /**
     * @private
     * @readonly
     * @type {Expr[]}
     */
    private readonly _branches;
}
export type Site = import("@helios-lang/compiler-utils").Site;
export type SourceMappedStringI = import("@helios-lang/ir").SourceMappedStringI;
export type EvalEntity = import("../typecheck/index.js").EvalEntity;
export type Type = import("../typecheck/index.js").Type;
export type Typed = import("../typecheck/index.js").Typed;
import { Expr } from "./Expr.js";
//# sourceMappingURL=IfElseExpr.d.ts.map