import { Tree } from '@angular-devkit/schematics';
/**
 * Auto-detects the eUI version from the installed @eui/core package.
 * Reads node_modules/@eui/core/package.json and extracts the major version.
 * Returns format like "21.x"
 */
export declare function detectEuiVersion(tree: Tree): string | null;
/**
 * Finds the position where the import block ends.
 * Looks for @Component, @NgModule, first non-export const, or first export statement.
 * Ported from csdr-engine/migrate/index.js getEndImportBlockPos.
 */
export declare function getEndImportBlockPos(lines: string[]): number;
/**
 * Collects all file paths matching given extensions under a directory in the Tree.
 */
export declare function getFilesFromTree(tree: Tree, dirPath: string, extensions: string[]): string[];
/**
 * Gets sibling HTML files for a given TS file path from the Tree.
 */
export declare function getSiblingHtmlFiles(tree: Tree, tsFilePath: string): string[];