extension-develop/dist/webpack/plugin-extension/feature-manifest/steps/emit-manifest.d.ts

The develop step of Extension.js

import { Compiler } from '@rspack/core';
import { type PluginInterface } from '../../../webpack-types';
export declare class EmitManifest {
    readonly manifestPath: string;
    constructor(options: PluginInterface);
    apply(compiler: Compiler): void;
}