/**
 * `.brewing/preview.yaml` schema + parser — 0.16.0-α.5.
 *
 * Lightweight config that tells `slowcook preview deploy/teardown` how
 * to ssh into the consumer's box, where to put files, what port range
 * to allocate from, and what URL pattern the box's reverse proxy serves.
 *
 * Slowcook is stateless re: hosting. Each consumer provides their own
 * SSH-reachable box (Docker engine + reverse proxy with wildcard cert);
 * this config tells slowcook how to reach it.
 *
 * Hand-parsed (no yaml dep) because the schema is small + flat. If we
 * ever need anchors / multi-doc / etc, switch to the workspace's `yaml`
 * package — it's already a transitive dep via cli/dependencies.
 */
export interface PreviewConfig {
    type: "ssh";
    host: string;
    user: string;
    /** GitHub Actions secret NAME holding the SSH private key. */
    keySecret: string;
    port: number;
    /** Inclusive range to allocate Docker host ports from (e.g. [4000, 4099]). */
    portRange: [number, number];
    /** URL template; `{port}` is substituted. e.g. https://mock-{port}.preview.example.com */
    urlTemplate: string;
    /** Absolute path on the box where slowcook stages PR builds. */
    remoteRoot: string;
    /** Path within the consumer's repo to the mock app. Default: "mock". */
    mockDir: string;
}
export declare class PreviewConfigError extends Error {
    constructor(message: string);
}
export declare const PREVIEW_CONFIG_PATH = ".brewing/preview.yaml";
/**
 * Parse `.brewing/preview.yaml`. Returns the typed config or throws
 * `PreviewConfigError` with a precise message identifying the missing
 * or malformed field.
 *
 * Accepts either:
 *
 *   preview:
 *     type: ssh
 *     host: ...
 *     ...
 *
 * or top-level keys (the `preview:` wrapper is optional but
 * recommended; consumers will likely add a `box:` or other top-level
 * sections later).
 */
export declare function parsePreviewConfig(yamlText: string): PreviewConfig;
export declare function readPreviewConfig(repoRoot: string): PreviewConfig;
/**
 * Build the preview URL for a given allocated port.
 */
export declare function urlForPort(cfg: PreviewConfig, port: number): string;
/**
 * Container name for a given PR. Single source of truth so deploy +
 * teardown agree on the name.
 */
export declare function containerNameForPr(pr: number): string;
/**
 * Image tag for a given PR. We rebuild per-PR (each PR has its own
 * scenario set), so tags don't collide.
 */
export declare function imageTagForPr(pr: number): string;
/**
 * Remote staging directory for a given PR. Build artifacts + the tar
 * extract live here.
 */
export declare function remoteDirForPr(cfg: PreviewConfig, pr: number): string;
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