/**
 * Bridge so chrome outside the composer (status chips) can act on the draft
 * without holding a React ref to the textarea.
 */
type Handler = () => void;
type DraftListener = (hasDraft: boolean) => void;
type InsertHandler = (text: string) => void;
export declare const composerActionPort: {
    /** Register the active composer's clear implementation. Returns unregister. */
    registerClear(handler: Handler): () => void;
    /** Clear the composer draft if a handler is registered. */
    clear(): void;
    /** Register copy-then-clear (Ctrl+Shift+X). Returns unregister. */
    registerCut(handler: Handler): () => void;
    /** Copy the draft to the clipboard, then clear it. */
    cut(): void;
    /** Register "show the slash-command list inside the composer". */
    registerOpenCommands(handler: Handler): () => void;
    openCommands(): void;
    registerInsert(handler: InsertHandler): () => void;
    insert(text: string): boolean;
    /** Publish draft emptiness so status chrome can gate draft-only hints. */
    setHasDraft(next: boolean): void;
    hasDraft(): boolean;
    subscribeDraft(listener: DraftListener): () => void;
};
export {};