import type { JsModuleResolution } from "./JsModuleResolution.js";
import type { JsRuntimePlatform } from "./JsRuntimePlatform.js";
/**
 * Guest JavaScript host-environment configuration.
 *
 * Selects which globals/builtins/module-resolution surface guest JS sees,
 * modeled on esbuild's `platform`. Omitting this preserves full Node.js
 * emulation (`platform = node`).
 */
export type JsRuntimeConfig = {
    /**
     * Which host environment to emulate for guest JS. Default `node`.
     */
    platform: JsRuntimePlatform;
    /**
     * How bare import specifiers resolve. Independent of `platform`.
     * Default `node`.
     */
    moduleResolution: JsModuleResolution;
    /**
     * Node builtin-module allow-list. Only valid when `platform = node`.
     * `None` => engine default allow-list. `Some([])` => deny all builtins.
     * `Some([..])` => exactly those.
     */
    allowedBuiltins?: Array<string>;
    /**
     * Opt in to a high-resolution monotonic guest clock. Default false keeps
     * the security-oriented 1ms timer resolution.
     */
    highResolutionTime?: boolean;
};