Added a lot of constants :-)

src/Core/Logger/Type/AbstractLogger.php

@@ -38,6 +38,8 @@ use Psr\Log\LogLevel;
  */
 abstract class AbstractLogger implements LoggerInterface
 {
+	const NAME = '';
+
 	/**
 	 * The output channel of this logger
 	 * @var string

src/Core/Logger/Type/StreamLogger.php

@@ -32,6 +32,8 @@ use Psr\Log\LogLevel;
  */
 class StreamLogger extends AbstractLogger
 {
+	const NAME = 'stream';
+
 	/**
 	 * The minimum loglevel at which this logger will be triggered
 	 * @var string

src/Core/Logger/Type/SyslogLogger.php

@@ -32,6 +32,8 @@ use Psr\Log\LogLevel;
  */
 class SyslogLogger extends AbstractLogger
 {
+	const NAME = 'syslog';
+
 	const IDENT = 'Friendica';
 
 	/** @var int The default syslog flags */