import { type InjectionKey, type Ref } from "vue";
export interface MulmoScriptHostAdapter {
    /** Active chat session id, forwarded on generation dispatches so the
     *  host can light its per-session progress indicators. */
    chatSessionId?: Ref<string | undefined>;
    /** Authenticated media download. Exactly one of `moviePath` / `pdfPath`
     *  is set — both are the wire `stories/…` paths the status/probe
     *  dispatches return. Rejects on transport/HTTP failure.
     *
     *  `root` is which registered stories root that path is relative to (#3014); absent = the
     *  host's default. It is REQUIRED for correctness, not decoration: `toStoryRef` relativizes
     *  an artifact against its own root's directory, so the returned path does not carry the
     *  root, and the same `stories/…/__movies__/x.mov` exists in every one of them. A host that
     *  ignores it serves the DEFAULT root's file of that name, or 404s. Optional so an older
     *  host keeps compiling; a single-root host can ignore it because for it the two agree. */
    fetchMediaBlob?: (query: {
        moviePath?: string;
        pdfPath?: string;
        root?: string | undefined;
    }) => Promise<Blob>;
}
export declare const MULMOSCRIPT_HOST_ADAPTER_KEY: InjectionKey<MulmoScriptHostAdapter>;
export declare function useHostAdapter(): MulmoScriptHostAdapter;
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