import { Decorator, Type, TypeChecker, TypeNode } from 'typescript/lib/tsserverlibrary';
export declare function isFilenameMatched(patterns: string[], filename: string): boolean;
export declare function isNullableUnionType(type: Type): boolean;
export declare function getDecoratorOrUndefinedByNames(names: string[], decorators?: readonly Decorator[]): Decorator | undefined;
export declare function getTypeReference(type: Type, typeNode: TypeNode, typeChecker: TypeChecker, isArray?: boolean): [elementType: string | undefined, isArray: boolean];
export declare function replaceImportPath(typeReference: string, fileName: string): string | undefined;