import MagicString from 'magic-string';
/**
 * Analyse compiled TypeScript source and return the set of imported names
 * that are only referenced in type positions (type annotations, implements
 * clauses, generics, etc.) and can safely be elided.
 *
 * Uses oxc-parser for fast, Rust-based AST analysis — no type-checker needed.
 */
export declare function detectTypeOnlyImportNames(code: string): Set<string>;
/**
 * Elide import specifiers (or entire import declarations) for names that are
 * only used in type positions. Operates on the compiler's TypeScript output
 * (before OXC strips remaining TS syntax).
 *
 * Returns the modified source code, or the original if nothing was elided.
 */
export declare function elideTypeOnlyImports(code: string): string;
/**
 * Elide type-only imports directly on a MagicString instance, so that
 * subsequent `ms.generateMap()` calls produce an accurate sourcemap.
 *
 * Detects type-only names from `ms.toString()` (the fully-mutated code),
 * but reads import positions from `ms.original` (the coordinate system
 * MagicString expects).
 */
export declare function elideTypeOnlyImportsMagicString(ms: MagicString): void;