import type ts from 'typescript';
import type { TransformerExtras } from 'ts-patch';
export declare class Compiler {
    private static oldProgramRef;
    static projectVersion: number;
    private static oldFileNames;
    static compile(transformationContext: ts.TransformationContext | undefined, transformerExtras: TransformerExtras | undefined): void;
    private static updateProjectVersion;
    private static getFilesToProcess;
    private static processFiles;
    private static processFile;
    private static reportErrors;
}