findMany( store, type, ids, snapshots ) {
		const url = this.buildURL( type, null, snapshots, "findMany" );
		const paramName = this.findIdParam || store.serializerFor( type.modelName ).primaryKey;
		const data = this.findIdSeparator
			? { [ paramName ]: ids.join( this.findIdSeparator ) }
			: ids.map( id => ({ name: paramName, value: id }) );

		return this.ajax( url, "GET", { data } );
	}
@param {DS.Store} store
@param {DS.Model} type
@param {string[]} ids
@param {DS.Snapshot[]} snapshots
@return {Promise}