export declare const MAX_SOURCE_BYTES: number;
/** Left out of every upload. `.env` files are the usual place for secrets, and they must not travel with the source. */
export declare const DEFAULT_EXCLUDES: string[];
export interface IPackedSource {
    file: string;
    sha256: string;
    bytes: number;
    /** The patterns that were left out, so what was not uploaded is never a surprise. */
    excluded: string[];
    /** `.dockerignore` lines that could not be honoured. */
    warnings: string[];
    cleanup(): void;
}
/** Reads `.dockerignore` into tar exclude patterns. Negations ("!keep") cannot be expressed and are reported, not guessed at. */
export declare function readDockerignore(dir: string): {
    patterns: string[];
    warnings: string[];
};
/** Packs a directory into a compressed archive, hashes it, and refuses anything over the size limit. */
export declare function packSource(dir: string, options?: {
    dockerfile?: string;
    exclude?: string[];
}): Promise<IPackedSource>;
export interface IUploadTicket {
    url: string;
    method: string;
    headers: Record<string, string>;
}
/** Sends the archive straight to the bucket in the customer's cloud account. Ductape's servers never see it. */
export declare function uploadSource(ticket: IUploadTicket, file: string): Promise<void>;