import type { Component } from 'svelte';
export type MarkstreamSvelteComponent = Component<never>;
export type CustomComponentMap = Record<string, MarkstreamSvelteComponent>;
export declare function subscribeCustomComponents(listener: () => void): () => void;
export declare function getCustomComponentsRevision(): number;
export declare function setCustomComponents(id: string, mapping: CustomComponentMap): void;
export declare function setCustomComponents(mapping: CustomComponentMap): void;
export declare function getCustomNodeComponents(customId?: string): CustomComponentMap;
export declare function removeCustomComponents(id: string): void;
export declare function clearGlobalCustomComponents(): void;