import type { EventBus } from "@bluecadet/launchpad-utils/event-bus";
import type { Logger } from "@bluecadet/launchpad-utils/logger";
import type { ResolvedContentConfig } from "./content-config.js";
import type { DataStore } from "./utils/data-store.js";
import type { PathsHelper } from "./utils/paths-helper.js";
export declare class ContentError extends Error {
    constructor(...args: ConstructorParameters<typeof Error>);
}
export type ContentTransformContext = {
    data: DataStore;
    logger: Logger;
    contentOptions: ResolvedContentConfig;
    /**
     * Path helpers for the current fetch run.
     * `getDownloadPath` resolves to the staged run output and is promoted to the
     * published download path only after the run succeeds.
     * `getTempPath` is pre-bound to this transform's name
     * (e.g. `.launchpad/tmp/runs/<runId>/<transformName>/<sourceId>`).
     */
    paths: PathsHelper;
    /**
     * Event bus for transforms that need to emit TTY progress events (e.g. mediaDownloader, sharp).
     * Transforms should NOT emit `content:transform:*` lifecycle events — those are handled by
     * the runTransformsStage loop. The event bus is provided for TTY progress (log:tty) only.
     */
    eventBus: EventBus;
    /** Abort signal for the current run. */
    abortSignal: AbortSignal;
    /** Working directory for the current run. */
    cwd: string;
};
export type ContentTransform = {
    name: string;
    apply: (ctx: ContentTransformContext) => Promise<void>;
};
/** Type-safe factory for content transforms. */
export declare function defineContentTransform(transform: ContentTransform): ContentTransform;
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