/**
 * Package-scope YAML-style mixing detection
 *
 * SKILL_DESCRIPTION_STYLE_MIXED_IN_PACKAGE — fires on every skill in a
 * package when the sibling skills' `description` frontmatter lines use a
 * mix of YAML scalar styles (folded, literal, inline-double,
 * inline-single, inline-plain).
 *
 * This detector operates on the RAW frontmatter bytes because the style
 * information is erased by YAML parsers. It is package-scoped: callers
 * must collect every sibling skill's raw content and invoke
 * `detectMixedDescriptionStyles` once.
 *
 * Status: detector implemented and unit-tested, not yet wired into the
 * validator pipeline (requires a package-level aggregation pass at the
 * CLI call site).
 */
import { type ValidationIssue } from '@vibe-agent-toolkit/agent-schema';
export type DescriptionYamlStyle = 'folded' | 'literal' | 'inline-double' | 'inline-single' | 'inline-plain';
/**
 * Classify the YAML scalar style used for the `description` frontmatter line
 * in raw SKILL.md content. Returns null when no description line is found.
 *
 * We inspect the raw marker because post-parse the original style is lost.
 */
export declare function classifyDescriptionYamlStyle(rawContent: string): DescriptionYamlStyle | null;
export interface DescriptionStyleInput {
    /** Absolute or repo-relative path — used for the issue location. */
    path: string;
    /** Raw SKILL.md content (bytes before YAML parse). */
    rawContent: string;
}
/**
 * Detect mixed YAML scalar styles across a package of sibling skills.
 *
 * When two or more distinct styles are observed, fires one warning per
 * skill that carried a classifiable style. Skills with no classifiable
 * description line are skipped rather than flagged.
 */
export declare function detectMixedDescriptionStyles(skills: readonly DescriptionStyleInput[]): ValidationIssue[];
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