export interface SceneEditResult {
    success: boolean;
    message: string;
    scene?: string;
}
export declare function normalizeLines(content: string): string[];
/** Find the end of a section (next `[...]` line or end of file). Returns index of the next section start. */
export declare function findSectionEnd(lines: string[], startLine: number): number;
/** Escape special characters in .tscn quoted attribute values */
export declare function escapeTscnAttr(value: string): string;
export declare function formatTscnValue(value: string): string;
/** Escape property values for safe embedding inside quoted .tscn values (e.g. `property = "value"`).
 *  Does NOT handle unquoted .tscn values or structural syntax. */
export declare function escapeTscnValue(value: string): string;
/** Escape string for safe use in RegExp constructor */
export declare function escapeRegExp(s: string): string;
/** Parse a quoted attribute from a bracket header like `[node name="X" type="Y"]` */
export declare function getBracketAttr(header: string, attr: string): string | null;
/** Get the name part of a nodePath like "Root/Player/Sprite2D" → "Sprite2D" */
export declare function leafName(nodePath: string): string;
/** Build a parent path prefix from a nodePath. "Root/Player/Sprite2D" → "Root/Player" */
export declare function parentPath(nodePath: string): string;
/**
 * For a nodePath like "Root/Player/Sprite2D", we need to find the node whose
 * name is "Sprite2D" AND whose parent attribute matches the path prefix.
 * In .tscn, the parent is stored as NodePath("Root/Player").
 */
export declare function findNodeSectionLine(lines: string[], nodePath: string): number;
/** Return the last line of the node section (inclusive). */
export declare function nodeSectionEnd(lines: string[], nodeLine: number): number;