/**
 * Shared utilities for per-artifact-type renderers.
 *
 * Private to the renderers/ directory — not re-exported from registry.ts.
 * All functions are pure (no I/O, no side effects).
 *
 * Sprint 11 — colocated in renderers/ per mechanisms/ precedent.
 */
/**
 * Apply a line cap to rendered content.
 * If content exceeds maxLines, truncates with the canonical truncation marker:
 *   `... <N more lines truncated, see <path>:<startLine> for full content>`
 * When no source path is available, falls back to:
 *   `... <N more lines truncated>`
 */
export declare function applyLineCap(content: string, maxLines: number, sourcePath?: string): string;
/**
 * Extract the first H1 heading from markdown content.
 * Returns null if no H1 is found.
 */
export declare function extractH1(content: string): string | null;
/**
 * Count list items (lines starting with `- `) under a given section heading.
 * Stops counting when another heading of equal or higher level is encountered.
 */
export declare function countSectionItems(content: string, sectionName: string): number;
/**
 * Count the number of sections (headings) at level 2 (`## `) in the content.
 */
export declare function countH2Sections(content: string): number;
/**
 * Extract the first N non-blank lines after a line matching the given separator pattern.
 * If separator is not found, returns the first N non-blank lines of the content.
 */
export declare function firstNNonBlankAfter(content: string, n: number, separatorPattern: RegExp): string[];
/**
 * Parse an inline count from a markdown line matching a pattern.
 * Returns null if not found.
 */
export declare function parseInlineCount(content: string, pattern: RegExp): number | null;
/**
 * Extract content and path from an artifact.
 * Handles shapes: { content }, { text }, { path, content }, { path }
 * Does NOT perform file I/O — mechanisms must preload content.
 */
export declare function extractMarkdownContent(artifact: unknown): {
    content: string;
    path: string | undefined;
};
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