import * as rust from "./rust";
import * as JSON from "ts-typed-json";
export default class BuildSettings {
    private rustc;
    private nodeVersion;
    private env;
    constructor(rustc: string, nodeVersion: string | null, env: Record<string, string | null>);
    match(other: BuildSettings): boolean;
    static getNodeVersion(): string;
    static current(toolchain?: rust.Toolchain): BuildSettings;
    static fromJSON(value: JSON.Value): BuildSettings;
    toJSON(): JSON.Object;
}