/**
 * Parse import/export statements from TypeScript source content.
 * Extracts relative import paths, resolving them relative to the file's directory.
 *
 * Handles: named imports, default imports, side-effect imports, type imports,
 * re-exports, and star re-exports. Skips node: prefixes, bare specifiers (npm),
 * and dynamic import() expressions.
 *
 * @returns Array of resolved paths relative to rootDir
 */
export declare function parseImports(content: string, filePath: string, rootDir: string): string[];
/**
 * Build an import graph by walking all .ts files in a directory.
 * Returns a Map where each key is a file path (relative to rootDir)
 * and values are the files it imports.
 */
export declare function buildImportGraph(rootDir: string): Map<string, string[]>;
/**
 * Compute blast radius — find all transitive dependents of a target file.
 * Inverts the import graph and performs BFS from the target.
 *
 * @param graph - Import graph from buildImportGraph()
 * @param targetFile - File path relative to rootDir
 * @returns Sorted array of files that transitively depend on the target
 */
export declare function blastRadius(graph: Map<string, string[]>, targetFile: string): string[];
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