export declare const CORPUS_SKILL_NAMES: Set<string>;
/** Operator-owned. migrate/setup/--force must never overwrite or delete. */
export declare const PROJECT_OWNED_SKILL_NAMES: Set<string>;
/** Only install when the project uses Preline (detect or operator choice). */
export declare const OPTIONAL_PRELINE_SKILLS: Set<string>;
export declare function isSymlinkPath(p: string): boolean;
export declare function destHasLocalCorpus(skillDir: string): boolean;
/** Skip copy into dest — symlink (write-through) or a real local capture. */
export declare function shouldSkipCorpusWrite(destSkillDir: string): boolean;
export declare function skillDirName(skillDir: string): string;
/** Skip copy into an existing project design-system (even on --force). */
export declare function shouldSkipProjectOwnedWrite(destSkillDir: string): boolean;