import { ProgramView, SourceFileInfo } from '../common/extensibility';
export declare function isUserCode(fileInfo: SourceFileInfo | undefined): boolean;
export declare function collectImportedByCells<T extends SourceFileInfo>(program: ProgramView, fileInfo: T): Set<T>;
export declare function collectImportedByRecursively(fileInfo: SourceFileInfo, importedBy: Set<SourceFileInfo>): void;
export declare function verifyNoCyclesInChainedFiles<T extends SourceFileInfo>(program: ProgramView, fileInfo: T): void;
export declare function createChainedByList<T extends SourceFileInfo>(program: ProgramView, fileInfo: T): T[];