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package mill.api
import java.io._
/**
* The standard logging interface of the Mill build tool.
*
* Contains these primary logging methods, in order of increasing importance:
*
* - `debug` : internal debug messages normally not shown to the user;
* mostly useful when debugging issues
*
* - `ticker`: short-lived logging output where consecutive lines over-write
* each other; useful for information which is transient and disposable
*
* - `info`: miscellaneous logging output which isn't part of the main output
* a user is looking for, but useful to provide context on what Mill is doing
*
* - `error`: logging output which represents problems the user should care
* about
*
*
* Also contains the two forwarded stdout and stderr streams, for code executed
* by Mill to use directly. Typically these correspond to the stdout and stderr,
* but when `show` is used both are forwarded to stderr and stdout is only
* used to display the final `show` output for easy piping.
*/
trait Logger {
def colored: Boolean
val errorStream: PrintStream
val outputStream: PrintStream
val inStream: InputStream
def info(s: String): Unit
def error(s: String): Unit
def ticker(s: String): Unit
def debug(s: String): Unit
def close(): Unit = ()
}
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