/**
 * Static-asset passthrough for `quickback/public/`.
 *
 * Anything under `<projectRoot>/quickback/public/` is copied verbatim into
 * `<outputDir>/src/apps/`, preserving directory structure. The compiler never
 * sees these files — they ride past it as bytes and land in the Cloudflare
 * ASSETS directory the worker already binds for the SPAs.
 *
 * Use this folder for static binaries (logos, fonts, OG images, robots.txt).
 * Hand-authored companion mini-SPAs belong in `quickback/apps/` instead — see
 * `copy-source-apps.ts`. The copy mechanics for both live in
 * `copy-passthrough.ts`; this module supplies the folder name and error type.
 */
import { type PassthroughCollision, type PassthroughOptions, type PassthroughResult } from './copy-passthrough.js';
export type CopyPublicAssetsOptions = PassthroughOptions;
export type CopyPublicAssetsResult = PassthroughResult;
export declare class PublicAssetCollisionError extends Error {
    readonly collisions: Array<{
        publicPath: string;
        manifestPath: string;
    }>;
    constructor(collisions: PassthroughCollision[]);
}
/**
 * Copy `<projectRoot>/quickback/public/**` into `<outputDir>/src/apps/**`.
 *
 * Returns `{ copied: 0 }` when the source folder is absent — public/ is an
 * opt-in convention, not a required directory.
 */
export declare function copyPublicAssets(options: CopyPublicAssetsOptions): Promise<CopyPublicAssetsResult>;
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