export type TemplateVars = Record<string, string>;
export type RenderStringOptions = {
    /**
     * When false, unknown `{{keys}}` are left unchanged (i18next placeholders in locale JSON).
     * When true, unknown keys throw (scaffold files: package.json, controllers, …).
     */
    strict?: boolean;
};
/** Replace `{{key}}` in file contents and paths when `key` is in `vars`. */
export declare function renderString(template: string, vars: TemplateVars, options?: RenderStringOptions): string;
export declare function copyTemplate(templateDir: string, targetDir: string, vars: TemplateVars): void;
/** Shallow merge npm deps and scripts into project package.json */
export declare function mergePackageJsonDeps(packageJsonPath: string, deps?: Record<string, string>, devDeps?: Record<string, string>, scripts?: Record<string, string>, pnpmOverrides?: Record<string, string>): void;