import type { SymbolTheme } from "../symbols";
import type { Component } from "../tui";
import { type ViewportAnchorSpan } from "../utils";
/** Test-only clock seam for streaming throttle tests. */
export declare function __setMarkdownNowForTest(now: (() => number) | undefined): void;
/** Test/diagnostic seam: number of synchronous highlight invocations since the last reset. */
export declare function getMarkdownHighlightCallCount(): number;
export declare function resetMarkdownHighlightCallCount(): void;
/** Test-only performance counters for advisory baseline tests. */
export declare const __markdownPerfCounters: {
    lexerInvocations: number;
    lexedBytes: number;
    reset(): void;
};
/** Drop all L2 cache entries. Call on theme change to prevent stale styled output. */
export declare function clearRenderCache(): void;
export declare function getRenderCacheRetainedBytes(): number;
/**
 * Default text styling for markdown content.
 * Applied to all text unless overridden by markdown formatting.
 */
export interface DefaultTextStyle {
    /** Foreground color function */
    color?: (text: string) => string;
    /** Background color function */
    bgColor?: (text: string) => string;
    /** Bold text */
    bold?: boolean;
    /** Italic text */
    italic?: boolean;
    /** Strikethrough text */
    strikethrough?: boolean;
    /** Underline text */
    underline?: boolean;
}
/**
 * Theme functions for markdown elements.
 * Each function takes text and returns styled text with ANSI codes.
 */
export interface MarkdownTheme {
    heading: (text: string) => string;
    link: (text: string) => string;
    linkUrl: (text: string) => string;
    code: (text: string) => string;
    codeBlock: (text: string) => string;
    codeBlockBorder: (text: string) => string;
    quote: (text: string) => string;
    quoteBorder: (text: string) => string;
    hr: (text: string) => string;
    listBullet: (text: string) => string;
    bold: (text: string) => string;
    italic: (text: string) => string;
    strikethrough: (text: string) => string;
    underline: (text: string) => string;
    highlightCode?: (code: string, lang?: string) => string[];
    /**
     * Resolve a mermaid ASCII rendering by fenced block source text.
     * Return null to fall back to fenced code rendering.
     */
    resolveMermaidAscii?: (source: string) => string | null;
    symbols: SymbolTheme;
}
export declare class Markdown implements Component {
    #private;
    constructor(text: string, paddingX: number, paddingY: number, theme: MarkdownTheme, defaultTextStyle?: DefaultTextStyle, codeBlockIndent?: number);
    setOnStaleThrottle(callback: (() => void) | undefined): void;
    setText(text: string, options?: {
        streaming?: boolean;
    }): void;
    setStreaming(streaming: boolean): void;
    dispose(): void;
    invalidate(): void;
    render(width: number): string[];
    renderWithViewportAnchorSource(width: number, source: {
        id: string;
    }): {
        lines: string[];
        anchors: Array<({
            id: string;
        } & ViewportAnchorSpan) | null>;
    };
}
/**
 * Render inline markdown (bold, italic, code, links, strikethrough) to a styled string.
 * Unlike the full Markdown component, this produces a single line with no block-level elements.
 */
export declare function renderInlineMarkdown(text: string, mdTheme: MarkdownTheme, baseColor?: (t: string) => string): string;