declare namespace Ext {
    export namespace data {
        export namespace schema {
            export interface SchemaConfig {
                defaultIdentifier?: object;
                namer?: string | object | Ext.data.schema.Namer;
                namespace?: string;
                proxy?: object | Ext.util.ObjectTemplate;
                urlPrefix?: string;
            }

            export class Schema extends Ext.Base  {
                public assocCount?: number;
                public entityCount?: number;
                public type?: string;
                public addMatrix(entityType?: Ext.Class, matrixName?: string, relation?: string, left?: object, right?: object): void;
                public addReference(entityType?: Ext.Class, referenceField?: Ext.data.field.Field, descr?: object, unique?: boolean): void;
                public getAssociation(name?: string): Ext.data.schema.Association;
                public getDefaultIdentifier(): void;
                public getEntity(name?: string): Ext.data.Model;
                public getEntityName(cls?: string | Ext.data.Model): string;
                public getNamer(): void;
                public getNamespace(): void;
                public getProxy(): void;
                public getUrlPrefix(): void;
                public hasAssociations(name?: string | Ext.Class | Ext.data.Model): boolean;
                public hasEntity(entity?: string | Ext.data.Model): boolean;
                public setDefaultIdentifier(): void;
                public setNamer(): void;
                public setNamespace(): void;
                public setProxy(): void;
                public setUrlPrefix(): void;
                public static get(config?: string | object): Ext.data.schema.Schema;
            }
        }
    }
}