import { Project, SourceFile } from 'ts-morph';
export declare let project: Project | null;
export declare class TsAstUtil {
    static getSourceFile(filePath: string): SourceFile;
    static clearProject(): void;
    static parseConstantValue(sourceFile: SourceFile, variableName: string, propertyName?: string): string;
    static parseCrossModuleVariable(scanDir: string): Map<string, string[]>;
    private static getExportedVariables;
}