import * as ts from 'typescript';
import * as tss from 'typescript/lib/tsserverlibrary';
import type { Tree } from '@angular-devkit/schematics';
import type { MemberChange } from './schema';
export declare const IG_PACKAGE_NAME = "igniteui-angular";
export declare const IG_LICENSED_PACKAGE_NAME = "@infragistics/igniteui-angular";
export declare const NG_LANG_SERVICE_PACKAGE_NAME = "@angular/language-service";
export declare const NG_CORE_PACKAGE_NAME = "@angular/core";
export declare const CUSTOM_TS_PLUGIN_PATH = "./tsPlugin";
export declare const CUSTOM_TS_PLUGIN_NAME = "igx-ts-plugin";
/**
 * Checks if the given import path is from igniteui-angular package.
 * Handles both OSS (igniteui-angular) and licensed (@infragistics/igniteui-angular) versions,
 * as well as subpaths (e.g., igniteui-angular/core, @infragistics/igniteui-angular/grids).
 * @param importPath The module specifier text to check
 * @returns true if the import path is from igniteui-angular package
 */
export declare const isIgniteuiImport: (importPath: string) => boolean;
export declare class MemberInfo implements Pick<tss.DefinitionInfo, 'name' | 'fileName'> {
    name: string;
    fileName: string;
}
/** Returns a source file */
export declare const getIdentifierPositions: (source: string | ts.SourceFile, name: string) => Array<{
    start: number;
    end: number;
}>;
/** Returns the positions of import from module string literals  */
export declare const getImportModulePositions: (sourceText: string, startsWith: string) => Array<{
    start: number;
    end: number;
}>;
/** Filters out statements to named imports (e.g. `import {x, y}`) from IG_PACKAGE_NAME */
export declare const igNamedImportFilter: (statement: ts.Statement) => statement is ts.ImportDeclaration & {
    moduleSpecifier: ts.StringLiteral;
} & {
    importClause: {
        namedBindings: ts.NamedImports;
    };
};
export declare const getRenamePositions: (sourcePath: string, name: string, service: ts.LanguageService) => Array<{
    start: number;
    end: number;
}>;
export declare const findMatches: (content: string, toFind: string) => number[];
/**
 * Create a TypeScript language service
 *
 * @param serviceHost A TypeScript language service host
 */
export declare const getLanguageService: (filePaths: string[], host: Tree, options?: ts.CompilerOptions) => ts.LanguageService;
/**
 * Create a project service singleton that holds all projects within a directory tree
 *
 * @param serverHost Used by the tss to navigate the directory tree
 */
export declare const createProjectService: (serverHost: tss.server.ServerHost) => tss.server.ProjectService;
/**
 * Get type information about a TypeScript identifier
 *
 * @param langServ TypeScript/Angular LanguageService
 * @param entryPath path to file (absolute)
 * @param position Index of identifier
 */
export declare const getTypeDefinitionAtPosition: (langServ: tss.LanguageService, entryPath: string, position: number) => MemberInfo | null;
/**
 * Determines if a member belongs to a type in the `igniteui-angular` toolkit.
 *
 * @param change The change that will be applied.
 * @param langServ The Typescript/Angular Language Service
 * @param entryPath Relative file path.
 * @param matchPosition The position of the identifier.
 */
export declare const isMemberIgniteUI: (change: MemberChange, langServ: tss.LanguageService, entryPath: string, matchPosition: number) => boolean;