import * as ts from 'typescript';
/** Collect type-only imported names: `import type { X }` and `import { type X }`. */
export declare function collectTypeOnlyImports(sf: ts.SourceFile): Set<string>;
/** Recursively find all class declarations in a source file, including nested scopes. */
export declare function findAllClasses(sf: ts.SourceFile): ts.ClassDeclaration[];
/** Unwrap forwardRef(() => X) to X. Returns the original node if not a forwardRef call. */
export declare function unwrapForwardRef(node: ts.Expression): ts.Expression;
/** Unwrap forwardRef(() => X) to X for OXC AST nodes. Returns the original node if not a forwardRef call. */
export declare function unwrapForwardRefOxc(node: any): any;
export { ANGULAR_DECORATORS } from './constants.js';