import * as log4js from "log4js";
import * as ts from "typescript";
import { Configuration } from "../shared/configuration";
export interface TransformResult {
    dirty?: boolean;
    transpile?: boolean;
    transformedScript?: boolean;
}
export interface TransformCallback {
    (error: Error, dirty: boolean, transpile?: boolean): void;
    (error: Error, result: TransformResult): void;
}
export interface TransformContextJs {
    ast: acorn.Node;
}
export interface TransformContextTs {
    version: string;
    ast: ts.SourceFile;
    transpiled: string;
}
export interface TransformContext {
    config: Configuration;
    js?: TransformContextJs;
    filename: string;
    module: string;
    source: string;
    ts?: TransformContextTs;
}
export interface TransformInitializeLogOptions {
    appenders: {
        [name: string]: log4js.Appender;
    };
    level: string;
}
export declare type TransformInitialize = (log: TransformInitializeLogOptions) => void;
export interface Transform {
    (context: TransformContext, callback: TransformCallback): void;
    initialize?: TransformInitialize;
}