import type { BaseNode, HtmlPolicy, ParsedNode, ParseOptions } from 'stream-markdown-parser';
export type RenderableMarkdownNode = (ParsedNode | BaseNode) & Record<string, unknown>;
type NestedClassValue = string | readonly string[] | null | undefined;
export interface MarkstreamSvelteRenderOptions {
    content?: string | null;
    nodes?: readonly RenderableMarkdownNode[] | null;
    final?: boolean;
    parseOptions?: ParseOptions;
    customHtmlTags?: readonly string[];
    allowHtml?: boolean;
    htmlPolicy?: HtmlPolicy;
}
export interface NestedMarkdownHtmlOptions {
    cacheKey?: string;
    customHtmlTags?: readonly string[];
    allowHtml?: boolean;
    htmlPolicy?: HtmlPolicy;
    customNodeTag?: string;
    customNodeClass?: NestedClassValue | ((node: RenderableMarkdownNode) => NestedClassValue);
}
export interface NestedMarkdownHtmlInput {
    node?: RenderableMarkdownNode | null;
    nodes?: readonly RenderableMarkdownNode[] | null;
    content?: string | null;
}
export declare function renderMarkdownToHtml(input: MarkstreamSvelteRenderOptions): string;
export declare function renderNestedMarkdownToHtml(input: NestedMarkdownHtmlInput, options?: NestedMarkdownHtmlOptions): string;
export declare function renderMarkdownNodesToHtml(nodes: readonly RenderableMarkdownNode[] | null | undefined, options?: NestedMarkdownHtmlOptions): string;
export declare function renderMarkdownNodeToHtml(node: RenderableMarkdownNode | null | undefined, options?: NestedMarkdownHtmlOptions): string;
export {};