export declare class AstSchemaEditor {
    private project;
    private collectionsDir;
    constructor(collectionsDir: string);
    /**
     * Sanitize collectionId to prevent path traversal attacks.
     * Only allows alphanumeric characters, underscores, and hyphens.
     */
    private sanitizeCollectionId;
    /**
     * Resolve a file path and ensure it falls within the collectionsDir.
     */
    private safePath;
    private getCollectionFile;
    private getCollectionObject;
    private convertJsonToAstString;
    saveProperty(collectionId: string, propertyKey: string, propertyConfig: Record<string, unknown>): Promise<void>;
    deleteProperty(collectionId: string, propertyKey: string): Promise<void>;
    saveCollection(collectionId: string, collectionData: Record<string, unknown>): Promise<void>;
    deleteCollection(collectionId: string): Promise<void>;
}