public Props loadEnvironment(final String prefix) {
		final Map<String, String> environmentMap = System.getenv();
		load(environmentMap, prefix);
		return this;
	}
public Props loadEnvironment(final String prefix) {
		final Map<String, String> environmentMap = System.getenv();
		load(environmentMap, prefix);
		return this;
	}
public Props loadEnvironment ( final String prefix ) { final Map < String , String > environmentMap = System . getenv ( ) ; load ( environmentMap , prefix ) ; return this ; }
Loads environment properties with given prefix.
If prefix is <code>null</code> it will not be used.
Loads environment properties with given prefix . If prefix is <code > null< / code > it will not be used .