export declare enum OutputStream {
    Stdout = "stdout",
    Stderr = "stderr"
}
export type OutputTarget = {
    log(message: string): void;
    write(chunk: string | Buffer, stream?: OutputStream): void;
};
export type OutputWriter = (message: string, stream?: OutputStream) => void;
export declare function setActiveOutputTarget(target: OutputTarget | undefined): void;
export declare function writeOutputLine(message: string, stream?: OutputStream): void;
export declare const defaultOutputWriter: OutputWriter;
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