function getAllModules() {
		const mSnapshot = Object.create(null);
		forEach(mModules, function(sURN, oModule) {
			mSnapshot[sURN] = {
				state: oModule.state,
				ui5: urnToUI5(sURN)
			};
		});
		return mSnapshot;
	}
Returns an info about all known resources keyed by their URN.

If the URN can be converted to a UI5 module name, then the value in the map
will be that name. Otherwise it will be null or undefined.

@return {Object.<string,string>} Map of all module names keyed by their resource name
@see isDeclared
@private