import * as ts from 'typescript';
export interface AstChange {
    start: number;
    end: number;
    replacement: string;
}
export declare function applyChanges(content: string, changes: AstChange[]): string;
/**
 * Removes named imports from a module matching `fromModulePattern`.
 * If the import statement becomes empty, removes the entire statement.
 * Returns the changes and the list of names that were actually removed.
 */
export declare function buildRemoveNamedImportsChanges(sourceFile: ts.SourceFile, names: string[], fromModulePattern: string): {
    changes: AstChange[];
    removedNames: string[];
};
/**
 * Inserts `import { name } from 'fromModule';` after the last existing import statement.
 * If no imports exist, prepends to the file.
 */
export declare function insertImportStatement(content: string, name: string, fromModule: string): string;
export declare const ngModule: {
    replaceInImports(sourceFile: ts.SourceFile, remove: string[], add: string): AstChange[];
    replaceInExports(sourceFile: ts.SourceFile, remove: string[], add: string): AstChange[];
};
export declare const ngComponent: {
    replaceInImports(sourceFile: ts.SourceFile, remove: string[], add: string): AstChange[];
};
/**
 * Removes a property assignment from an object literal, handling comma cleanup.
 * - Non-last property: removes from property start to next property start (trailing comma).
 * - Last property: removes from previous property end to this property end (leading comma).
 * - Only property: removes the property content, leaving empty braces.
 */
export declare function buildRemoveObjectPropertyChange(sourceFile: ts.SourceFile, obj: ts.ObjectLiteralExpression, prop: ts.PropertyAssignment): AstChange[];