import type { MulmoScriptChangedEvent, MulmoScriptDispatchArgs, MulmoScriptDispatchResult, MulmoScriptGenerationEvent } from "../core/contract";
import type { GenerationSubscription, ScriptChangedSubscription } from "./subscription";
export type { GenerationSubscription, ScriptChangedSubscription } from "./subscription";
export type TransportResult<T> = {
    ok: true;
    data: T;
} | {
    ok: false;
    error: string;
};
type ArgsFor<K extends MulmoScriptDispatchArgs["kind"]> = Omit<Extract<MulmoScriptDispatchArgs, {
    kind: K;
}>, "kind">;
export declare function parseScriptChangedEvent(payload: unknown): MulmoScriptChangedEvent | null;
export declare function parseGenerationEvent(payload: unknown): MulmoScriptGenerationEvent | null;
export interface MulmoScriptTransport {
    call<K extends MulmoScriptDispatchArgs["kind"]>(kind: K, args: ArgsFor<K>): Promise<TransportResult<MulmoScriptDispatchResult[K]>>;
    /** Subscribe to the host's generation channel, pre-filtered to one script —
     *  identified by the PAIR `(root, filePath)`, since the same wire path
     *  exists in every registered root (#3014). Returns the unsubscribe
     *  function. */
    onGenerationEvent(subscription: GenerationSubscription): () => void;
    /** The pre-#3014 form: no root named, so the host's default root. Kept
     *  because this interface is exported from `/vue` on a published package. */
    onGenerationEvent(filePath: () => string, handler: (event: MulmoScriptGenerationEvent) => void): () => void;
    /** Subscribe to writes of one script, skipping the echo of this View's own
     *  (`ownOrigin`). Same pair identity as above. Returns the unsubscribe
     *  function. */
    onScriptChanged(subscription: ScriptChangedSubscription): () => void;
    /** The pre-#3014 form — see `onGenerationEvent` above. */
    onScriptChanged(filePath: () => string, ownOrigin: string, handler: () => void): () => void;
}
export declare function useMulmoScriptTransport(): MulmoScriptTransport;
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