import { BuildBundler } from '../build/BuildBundler.js';
export declare class MigrateBundler extends BuildBundler {
    private customEnvFile?;
    constructor(customEnvFile?: string);
    getEnvFiles(): Promise<string[]>;
    bundle(entryFile: string, outputDirectory: string, { toolsPaths, projectRoot }: {
        toolsPaths: (string | string[])[];
        projectRoot: string;
    }): Promise<void>;
    protected getEntry(): string;
}
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