import type { Path, UserPreferences } from 'typescript/lib/tsserverlibrary';
import { ModulePath, ModuleSpecifierOptions } from '../5_0/moduleSpecifierCache';
export interface ResolvedModuleSpecifierInfo {
    kind: "node_modules" | "paths" | "redirect" | "relative" | "ambient" | undefined;
    modulePaths: readonly ModulePath[] | undefined;
    packageName: string | undefined;
    moduleSpecifiers: readonly string[] | undefined;
    isBlockedByPackageJsonDependencies: boolean | undefined;
}
export interface ModuleSpecifierCache {
    get(fromFileName: Path, toFileName: Path, preferences: UserPreferences, options: ModuleSpecifierOptions): Readonly<ResolvedModuleSpecifierInfo> | undefined;
    set(fromFileName: Path, toFileName: Path, preferences: UserPreferences, options: ModuleSpecifierOptions, kind: ResolvedModuleSpecifierInfo["kind"], modulePaths: readonly ModulePath[], moduleSpecifiers: readonly string[]): void;
    setBlockedByPackageJsonDependencies(fromFileName: Path, toFileName: Path, preferences: UserPreferences, options: ModuleSpecifierOptions, packageName: string | undefined, isBlockedByPackageJsonDependencies: boolean): void;
    setModulePaths(fromFileName: Path, toFileName: Path, preferences: UserPreferences, options: ModuleSpecifierOptions, modulePaths: readonly ModulePath[]): void;
    clear(): void;
    count(): number;
}
export declare function createModuleSpecifierCache(): ModuleSpecifierCache;