import { Observable } from 'rxjs';
import * as ts from 'typescript';
import { SymbolDescriptor } from './request-type';
/**
 * Converts an Iterable to an Observable.
 * Workaround for https://github.com/ReactiveX/rxjs/issues/2306
 */
export declare function observableFromIterable<T>(iterable: Iterable<T>): Observable<T>;
/**
 * Template string tag to escape JSON Pointer components as per https://tools.ietf.org/html/rfc6901#section-3
 */
export declare function JSONPTR(strings: TemplateStringsArray, ...toEscape: string[]): string;
/**
 * Makes documentation string from symbol display part array returned by TS
 */
export declare function docstring(parts: ts.SymbolDisplayPart[]): string;
/**
 * Normalizes path to match POSIX standard (slashes)
 * This conversion should only be necessary to convert windows paths when calling TS APIs.
 */
export declare function toUnixPath(filePath: string): string;
/**
 * Normalizes URI encoding by encoding _all_ special characters in the pathname
 */
export declare function normalizeUri(uri: string): string;
/**
 * Converts an abolute path to a file:// uri
 *
 * @param path an absolute path
 */
export declare function path2uri(path: string): string;
/**
 * Converts a uri to an absolute path.
 * The OS style is determined by the URI. E.g. `file:///c:/foo` always results in `c:\foo`
 *
 * @param uri a file:// uri
 */
export declare function uri2path(uri: string): string;
export declare function isJSTSFile(filename: string): boolean;
export declare function isConfigFile(filename: string): boolean;
export declare function isPackageJsonFile(filename: string): boolean;
export declare function isGlobalTSFile(filename: string): boolean;
export declare function isDependencyFile(filename: string): boolean;
export declare function isDeclarationFile(filename: string): boolean;
/**
 * Compares two values and returns a numeric score between 0 and 1 defining of how well they match.
 * E.g. if 2 of 4 properties in the query match, will return 2
 */
export declare function getMatchingPropertyCount(query: any, value: any): number;
/**
 * Returns the maximum score that could be achieved with the given query (the amount of "leaf" properties)
 * E.g. for `{ name, kind, package: { name }}` will return 3
 */
export declare function getPropertyCount(query: any): number;
/**
 * Returns true if the passed SymbolDescriptor has at least the same properties as the passed partial SymbolDescriptor
 */
export declare function isSymbolDescriptorMatch(query: Partial<SymbolDescriptor>, symbol: SymbolDescriptor): boolean;