index.js
function _keySourceHintFrom( method, source, environment ){
		var hints = [];
		if( method ) hints.push( method );
		if( source ) hints.push( source );
		if( environment ) hints.push( "WHEN " + environment );

		return hints.join(' ');
	}
function _keySourceHintFrom( method, source, environment ){
		var hints = [];
		if( method ) hints.push( method );
		if( source ) hints.push( source );
		if( environment ) hints.push( "WHEN " + environment );

		return hints.join(' ');
	}
function _keySourceHintFrom ( method , source , environment ) { var hints = [ ] ; if ( method ) hints . push ( method ) ; if ( source ) hints . push ( source ) ; if ( environment ) hints . push ( "WHEN " + environment ) ; return hints . join ( ' ' ) ; }
construct a source hint for the ConfigStore
Hints are stored in the config to indicate source of applied changes

@param method
@param source
@param environment
@return {string}
@private
construct a source hint for the ConfigStore Hints are stored in the config to indicate source of applied changes