function _V2MetadataConverter() {
		this.association = null; // the current association
		this.associations = {}; // maps qualified name -> association
		this.associationSet = null; // the current associationSet
		this.associationSets = []; // list of associationSets
		this.aBoundOperations = []; // list of bound operations
		this.constraintRole = null; // the current Principal/Dependent
		// maps annotatable path to a map of converted V2 annotations for current Schema
		this.convertedV2Annotations = {};
		this.defaultEntityContainer = null; // the name of the default EntityContainer
		this.mEntityContainersOfSchema = {}; // all EntityContainers of current Schema by name
		// converted V2 annotations for EntitySets, identified by EntityType's name
		this.mEntityType2EntitySetAnnotation = {};
		this.mProperty2Semantics = {}; // maps a property's path to its sap:semantics value
		this.sPropertyName = null; // the name of the current property
		this.navigationProperties = []; // a list of navigation property data
		this.mSapAnnotations = {}; // map of the current Element's SAP annotations by name
		this.sTypeName = null; // the name of the current EntityType/ComplexType
		this.mProperty2Unit = {}; // maps a property's path to its sap:unit value

		_MetadataConverter.call(this);
	}
******************************************************************************************
	// V2MetadataConverter
	//*********************************************************************************************

	/**
Creates a converter for V2 metadata.

@alias sap.ui.model.odata.v4.lib._V2MetadataConverter
@constructor
@extends sap.ui.model.odata.v4.lib._MetadataConverter