export declare function addRequireOrImport(j: any, ast: any, localName: string, pkg: string): void;
export declare function addRequireOrImportOnceFactory(j: any, ast: any): (localName: any, pkg: any) => void;
export declare function findRequires(j: any, ast: any, pkg: string): any;
export declare function findImports(j: any, ast: any, pkg: any): any;
/**
 * Detects CommonJS and import statements for the given package.
 * @return true if import were found, else false
 */
export declare function hasRequireOrImport(j: any, ast: any, pkg: string): boolean;
/**
 * Returns localName for any CommonJS or import statements for the given package.
 * @return string if import were found, else undefined
 */
export declare function getRequireOrImportName(j: any, ast: any, pkg: string): any;
/**
 * Detects and removes default import statements for given package.
 * @return the local name for the default import or null
 */
export declare function removeDefaultImport(j: any, ast: any, pkg: string): any;
/**
 * Detects and removes CommonJS and import statements for given package.
 * @return the import variable name or null if no import were found.
 */
export declare function removeRequireAndImport(j: any, ast: any, pkg: string, specifier?: string): any;