diff --git a/client/.openapi-generator/FILES b/client/.openapi-generator/FILES
index e931ffe..241a200 100755
--- a/client/.openapi-generator/FILES
+++ b/client/.openapi-generator/FILES
@@ -134,7 +134,6 @@ src/main/generated/com/regula/documentreader/webclient/model/MRZTestQualityItem.
 src/main/generated/com/regula/documentreader/webclient/model/MRZTestQualityResult.java
 src/main/generated/com/regula/documentreader/webclient/model/MeasureSystem.java
 src/main/generated/com/regula/documentreader/webclient/model/MrzDetectModeEnum.java
-src/main/generated/com/regula/documentreader/webclient/model/MrzPosition.java
 src/main/generated/com/regula/documentreader/webclient/model/MrzPositionItem.java
 src/main/generated/com/regula/documentreader/webclient/model/OCRSecurityTextItem.java
 src/main/generated/com/regula/documentreader/webclient/model/OCRSecurityTextResult.java
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/JSON.java b/client/src/main/generated/com/regula/documentreader/webclient/JSON.java
index 4ab8931..fcb28a9 100755
--- a/client/src/main/generated/com/regula/documentreader/webclient/JSON.java
+++ b/client/src/main/generated/com/regula/documentreader/webclient/JSON.java
@@ -1189,8 +1189,6 @@ private static Class getClassByDiscriminator(
     gsonBuilder.registerTypeAdapterFactory(
         new com.regula.documentreader.webclient.model.MRZTestQualityResult
             .CustomTypeAdapterFactory());
-    gsonBuilder.registerTypeAdapterFactory(
-        new com.regula.documentreader.webclient.model.MrzPosition.CustomTypeAdapterFactory());
     gsonBuilder.registerTypeAdapterFactory(
         new com.regula.documentreader.webclient.model.MrzPositionItem.CustomTypeAdapterFactory());
     gsonBuilder.registerTypeAdapterFactory(
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/model/Light.java b/client/src/main/generated/com/regula/documentreader/webclient/model/Light.java
index 327993f..1e5c77b 100644
--- a/client/src/main/generated/com/regula/documentreader/webclient/model/Light.java
+++ b/client/src/main/generated/com/regula/documentreader/webclient/model/Light.java
@@ -26,10 +26,10 @@ public enum Light {
   /** No Light */
   OFF(0),
 
-  /** Upper/lower lighters of white light scheme */
+  /** Upper/lower white */
   WHITE_TOP(2),
 
-  /** Side lighters of white light scheme */
+  /** Side white */
   WHITE_SIDE(4),
 
   /** White */
@@ -41,7 +41,7 @@ public enum Light {
   /** Ultraviolet */
   UV(128),
 
-  /** White coaxial */
+  /** Axial white */
   AXIAL_WHITE(3072);
 
   private Integer value;
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/model/MRZPositionResult.java b/client/src/main/generated/com/regula/documentreader/webclient/model/MRZPositionResult.java
index 54aec7f..3f0bcc1 100644
--- a/client/src/main/generated/com/regula/documentreader/webclient/model/MRZPositionResult.java
+++ b/client/src/main/generated/com/regula/documentreader/webclient/model/MRZPositionResult.java
@@ -35,11 +35,11 @@ public class MRZPositionResult extends ResultItem {
 
   @SerializedName(SERIALIZED_NAME_MRZ_POSITION)
   @javax.annotation.Nonnull
-  private MrzPosition mrzPosition;
+  private DocumentPosition mrzPosition;
 
   public MRZPositionResult() {}
 
-  public MRZPositionResult mrzPosition(@javax.annotation.Nonnull MrzPosition mrzPosition) {
+  public MRZPositionResult mrzPosition(@javax.annotation.Nonnull DocumentPosition mrzPosition) {
     this.mrzPosition = mrzPosition;
     return this;
   }
@@ -50,11 +50,11 @@ public MRZPositionResult mrzPosition(@javax.annotation.Nonnull MrzPosition mrzPo
    * @return mrzPosition
    */
   @javax.annotation.Nonnull
-  public MrzPosition getMrzPosition() {
+  public DocumentPosition getMrzPosition() {
     return mrzPosition;
   }
 
-  public void setMrzPosition(@javax.annotation.Nonnull MrzPosition mrzPosition) {
+  public void setMrzPosition(@javax.annotation.Nonnull DocumentPosition mrzPosition) {
     this.mrzPosition = mrzPosition;
   }
 
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/model/MRZTestQuality.java b/client/src/main/generated/com/regula/documentreader/webclient/model/MRZTestQuality.java
index faa123d..7729bf8 100644
--- a/client/src/main/generated/com/regula/documentreader/webclient/model/MRZTestQuality.java
+++ b/client/src/main/generated/com/regula/documentreader/webclient/model/MRZTestQuality.java
@@ -38,13 +38,13 @@ public class MRZTestQuality {
 
   @SerializedName(SERIALIZED_NAME_C_H_E_C_K_S_U_M_S)
   @javax.annotation.Nonnull
-  private Integer CHECK_SUMS;
+  private CheckResult CHECK_SUMS;
 
   public static final String SERIALIZED_NAME_C_O_N_T_R_A_S_T_P_R_I_N_T = "CONTRAST_PRINT";
 
   @SerializedName(SERIALIZED_NAME_C_O_N_T_R_A_S_T_P_R_I_N_T)
   @javax.annotation.Nonnull
-  private Integer CONTRAST_PRINT;
+  private CheckResult CONTRAST_PRINT;
 
   public static final String SERIALIZED_NAME_D_O_C_F_O_R_M_A_T = "DOC_FORMAT";
 
@@ -62,19 +62,19 @@ public class MRZTestQuality {
 
   @SerializedName(SERIALIZED_NAME_P_R_I_N_T_P_O_S_I_T_I_O_N)
   @javax.annotation.Nonnull
-  private Integer PRINT_POSITION;
+  private CheckResult PRINT_POSITION;
 
   public static final String SERIALIZED_NAME_S_T_A_I_N_M_R_Z = "STAIN_MRZ";
 
   @SerializedName(SERIALIZED_NAME_S_T_A_I_N_M_R_Z)
   @javax.annotation.Nonnull
-  private Integer STAIN_MRZ;
+  private CheckResult STAIN_MRZ;
 
   public static final String SERIALIZED_NAME_S_Y_M_B_O_L_S_P_A_R_A_M = "SYMBOLS_PARAM";
 
   @SerializedName(SERIALIZED_NAME_S_Y_M_B_O_L_S_P_A_R_A_M)
   @javax.annotation.Nonnull
-  private Integer SYMBOLS_PARAM;
+  private CheckResult SYMBOLS_PARAM;
 
   public static final String SERIALIZED_NAME_STR_COUNT = "StrCount";
 
@@ -92,11 +92,11 @@ public class MRZTestQuality {
 
   @SerializedName(SERIALIZED_NAME_T_E_X_T_U_A_L_F_I_L_L_I_N_G)
   @javax.annotation.Nonnull
-  private Integer TEXTUAL_FILLING;
+  private CheckResult TEXTUAL_FILLING;
 
   public MRZTestQuality() {}
 
-  public MRZTestQuality CHECK_SUMS(@javax.annotation.Nonnull Integer CHECK_SUMS) {
+  public MRZTestQuality CHECK_SUMS(@javax.annotation.Nonnull CheckResult CHECK_SUMS) {
     this.CHECK_SUMS = CHECK_SUMS;
     return this;
   }
@@ -107,15 +107,15 @@ public MRZTestQuality CHECK_SUMS(@javax.annotation.Nonnull Integer CHECK_SUMS) {
    * @return CHECK_SUMS
    */
   @javax.annotation.Nonnull
-  public Integer getCHECKSUMS() {
+  public CheckResult getCHECKSUMS() {
     return CHECK_SUMS;
   }
 
-  public void setCHECKSUMS(@javax.annotation.Nonnull Integer CHECK_SUMS) {
+  public void setCHECKSUMS(@javax.annotation.Nonnull CheckResult CHECK_SUMS) {
     this.CHECK_SUMS = CHECK_SUMS;
   }
 
-  public MRZTestQuality CONTRAST_PRINT(@javax.annotation.Nonnull Integer CONTRAST_PRINT) {
+  public MRZTestQuality CONTRAST_PRINT(@javax.annotation.Nonnull CheckResult CONTRAST_PRINT) {
     this.CONTRAST_PRINT = CONTRAST_PRINT;
     return this;
   }
@@ -126,11 +126,11 @@ public MRZTestQuality CONTRAST_PRINT(@javax.annotation.Nonnull Integer CONTRAST_
    * @return CONTRAST_PRINT
    */
   @javax.annotation.Nonnull
-  public Integer getCONTRASTPRINT() {
+  public CheckResult getCONTRASTPRINT() {
     return CONTRAST_PRINT;
   }
 
-  public void setCONTRASTPRINT(@javax.annotation.Nonnull Integer CONTRAST_PRINT) {
+  public void setCONTRASTPRINT(@javax.annotation.Nonnull CheckResult CONTRAST_PRINT) {
     this.CONTRAST_PRINT = CONTRAST_PRINT;
   }
 
@@ -172,7 +172,7 @@ public void setMRZFORMAT(@javax.annotation.Nonnull Integer MRZ_FORMAT) {
     this.MRZ_FORMAT = MRZ_FORMAT;
   }
 
-  public MRZTestQuality PRINT_POSITION(@javax.annotation.Nonnull Integer PRINT_POSITION) {
+  public MRZTestQuality PRINT_POSITION(@javax.annotation.Nonnull CheckResult PRINT_POSITION) {
     this.PRINT_POSITION = PRINT_POSITION;
     return this;
   }
@@ -183,15 +183,15 @@ public MRZTestQuality PRINT_POSITION(@javax.annotation.Nonnull Integer PRINT_POS
    * @return PRINT_POSITION
    */
   @javax.annotation.Nonnull
-  public Integer getPRINTPOSITION() {
+  public CheckResult getPRINTPOSITION() {
     return PRINT_POSITION;
   }
 
-  public void setPRINTPOSITION(@javax.annotation.Nonnull Integer PRINT_POSITION) {
+  public void setPRINTPOSITION(@javax.annotation.Nonnull CheckResult PRINT_POSITION) {
     this.PRINT_POSITION = PRINT_POSITION;
   }
 
-  public MRZTestQuality STAIN_MRZ(@javax.annotation.Nonnull Integer STAIN_MRZ) {
+  public MRZTestQuality STAIN_MRZ(@javax.annotation.Nonnull CheckResult STAIN_MRZ) {
     this.STAIN_MRZ = STAIN_MRZ;
     return this;
   }
@@ -202,15 +202,15 @@ public MRZTestQuality STAIN_MRZ(@javax.annotation.Nonnull Integer STAIN_MRZ) {
    * @return STAIN_MRZ
    */
   @javax.annotation.Nonnull
-  public Integer getSTAINMRZ() {
+  public CheckResult getSTAINMRZ() {
     return STAIN_MRZ;
   }
 
-  public void setSTAINMRZ(@javax.annotation.Nonnull Integer STAIN_MRZ) {
+  public void setSTAINMRZ(@javax.annotation.Nonnull CheckResult STAIN_MRZ) {
     this.STAIN_MRZ = STAIN_MRZ;
   }
 
-  public MRZTestQuality SYMBOLS_PARAM(@javax.annotation.Nonnull Integer SYMBOLS_PARAM) {
+  public MRZTestQuality SYMBOLS_PARAM(@javax.annotation.Nonnull CheckResult SYMBOLS_PARAM) {
     this.SYMBOLS_PARAM = SYMBOLS_PARAM;
     return this;
   }
@@ -221,11 +221,11 @@ public MRZTestQuality SYMBOLS_PARAM(@javax.annotation.Nonnull Integer SYMBOLS_PA
    * @return SYMBOLS_PARAM
    */
   @javax.annotation.Nonnull
-  public Integer getSYMBOLSPARAM() {
+  public CheckResult getSYMBOLSPARAM() {
     return SYMBOLS_PARAM;
   }
 
-  public void setSYMBOLSPARAM(@javax.annotation.Nonnull Integer SYMBOLS_PARAM) {
+  public void setSYMBOLSPARAM(@javax.annotation.Nonnull CheckResult SYMBOLS_PARAM) {
     this.SYMBOLS_PARAM = SYMBOLS_PARAM;
   }
 
@@ -275,7 +275,7 @@ public void setStrings(@javax.annotation.Nonnull List<StringItem> strings) {
     this.strings = strings;
   }
 
-  public MRZTestQuality TEXTUAL_FILLING(@javax.annotation.Nonnull Integer TEXTUAL_FILLING) {
+  public MRZTestQuality TEXTUAL_FILLING(@javax.annotation.Nonnull CheckResult TEXTUAL_FILLING) {
     this.TEXTUAL_FILLING = TEXTUAL_FILLING;
     return this;
   }
@@ -286,11 +286,11 @@ public MRZTestQuality TEXTUAL_FILLING(@javax.annotation.Nonnull Integer TEXTUAL_
    * @return TEXTUAL_FILLING
    */
   @javax.annotation.Nonnull
-  public Integer getTEXTUALFILLING() {
+  public CheckResult getTEXTUALFILLING() {
     return TEXTUAL_FILLING;
   }
 
-  public void setTEXTUALFILLING(@javax.annotation.Nonnull Integer TEXTUAL_FILLING) {
+  public void setTEXTUALFILLING(@javax.annotation.Nonnull CheckResult TEXTUAL_FILLING) {
     this.TEXTUAL_FILLING = TEXTUAL_FILLING;
   }
 
@@ -416,6 +416,16 @@ public static void validateJsonElement(JsonElement jsonElement) throws IOExcepti
       }
     }
     JsonObject jsonObj = jsonElement.getAsJsonObject();
+    // validate the required field `CHECK_SUMS`
+    CheckResult.validateJsonElement(jsonObj.get("CHECK_SUMS"));
+    // validate the required field `CONTRAST_PRINT`
+    CheckResult.validateJsonElement(jsonObj.get("CONTRAST_PRINT"));
+    // validate the required field `PRINT_POSITION`
+    CheckResult.validateJsonElement(jsonObj.get("PRINT_POSITION"));
+    // validate the required field `STAIN_MRZ`
+    CheckResult.validateJsonElement(jsonObj.get("STAIN_MRZ"));
+    // validate the required field `SYMBOLS_PARAM`
+    CheckResult.validateJsonElement(jsonObj.get("SYMBOLS_PARAM"));
     // ensure the json data is an array
     if (!jsonObj.get("Strings").isJsonArray()) {
       throw new IllegalArgumentException(
@@ -430,6 +440,8 @@ public static void validateJsonElement(JsonElement jsonElement) throws IOExcepti
       StringItem.validateJsonElement(jsonArraystrings.get(i));
     }
     ;
+    // validate the required field `TEXTUAL_FILLING`
+    CheckResult.validateJsonElement(jsonObj.get("TEXTUAL_FILLING"));
   }
 
   public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/model/MrzPosition.java b/client/src/main/generated/com/regula/documentreader/webclient/model/MrzPosition.java
deleted file mode 100644
index def9c81..0000000
--- a/client/src/main/generated/com/regula/documentreader/webclient/model/MrzPosition.java
+++ /dev/null
@@ -1,616 +0,0 @@
-/*
- * Regula Document Reader Web API
- * Documents recognition as easy as reading two bytes.   # Clients: * [JavaScript](https://github.com/regulaforensics/DocumentReader-web-js-client) client for the browser and node.js based on axios * [Java](https://github.com/regulaforensics/DocumentReader-web-java-client) client compatible with jvm and android * [Python](https://github.com/regulaforensics/DocumentReader-web-python-client) 3.5+ client * [C#](https://github.com/regulaforensics/DocumentReader-web-csharp-client) client for .NET & .NET Core
- *
- * The version of the OpenAPI document: 8.1.0
- *
- *
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
- * https://openapi-generator.tech
- * Do not edit the class manually.
- */
-
-package com.regula.documentreader.webclient.model;
-
-import com.google.gson.Gson;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.TypeAdapter;
-import com.google.gson.TypeAdapterFactory;
-import com.google.gson.annotations.SerializedName;
-import com.google.gson.reflect.TypeToken;
-import com.google.gson.stream.JsonReader;
-import com.google.gson.stream.JsonWriter;
-import com.regula.documentreader.webclient.JSON;
-import java.io.IOException;
-import java.math.BigDecimal;
-import java.util.HashSet;
-import java.util.Objects;
-
-/** MrzPosition */
-@javax.annotation.Generated(
-    value = "org.openapitools.codegen.languages.JavaClientCodegen",
-    comments = "Generator version: 7.13.0")
-public class MrzPosition {
-  public static final String SERIALIZED_NAME_DOC_FORMAT = "docFormat";
-
-  @SerializedName(SERIALIZED_NAME_DOC_FORMAT)
-  @javax.annotation.Nonnull
-  private DocumentFormat docFormat;
-
-  public static final String SERIALIZED_NAME_ANGLE = "Angle";
-
-  @SerializedName(SERIALIZED_NAME_ANGLE)
-  @javax.annotation.Nonnull
-  private BigDecimal angle;
-
-  public static final String SERIALIZED_NAME_WIDTH = "Width";
-
-  @SerializedName(SERIALIZED_NAME_WIDTH)
-  @javax.annotation.Nonnull
-  private Integer width;
-
-  public static final String SERIALIZED_NAME_HEIGHT = "Height";
-
-  @SerializedName(SERIALIZED_NAME_HEIGHT)
-  @javax.annotation.Nonnull
-  private Integer height;
-
-  public static final String SERIALIZED_NAME_CENTER = "Center";
-
-  @SerializedName(SERIALIZED_NAME_CENTER)
-  @javax.annotation.Nonnull
-  private Point center;
-
-  public static final String SERIALIZED_NAME_LEFT_BOTTOM = "LeftBottom";
-
-  @SerializedName(SERIALIZED_NAME_LEFT_BOTTOM)
-  @javax.annotation.Nonnull
-  private Point leftBottom;
-
-  public static final String SERIALIZED_NAME_LEFT_TOP = "LeftTop";
-
-  @SerializedName(SERIALIZED_NAME_LEFT_TOP)
-  @javax.annotation.Nonnull
-  private Point leftTop;
-
-  public static final String SERIALIZED_NAME_RIGHT_BOTTOM = "RightBottom";
-
-  @SerializedName(SERIALIZED_NAME_RIGHT_BOTTOM)
-  @javax.annotation.Nonnull
-  private Point rightBottom;
-
-  public static final String SERIALIZED_NAME_RIGHT_TOP = "RightTop";
-
-  @SerializedName(SERIALIZED_NAME_RIGHT_TOP)
-  @javax.annotation.Nonnull
-  private Point rightTop;
-
-  public static final String SERIALIZED_NAME_DPI = "Dpi";
-
-  @SerializedName(SERIALIZED_NAME_DPI)
-  @javax.annotation.Nonnull
-  private Integer dpi;
-
-  public static final String SERIALIZED_NAME_INVERSE = "Inverse";
-
-  @SerializedName(SERIALIZED_NAME_INVERSE)
-  @javax.annotation.Nullable
-  private Integer inverse;
-
-  public static final String SERIALIZED_NAME_OBJ_AREA = "ObjArea";
-
-  @SerializedName(SERIALIZED_NAME_OBJ_AREA)
-  @javax.annotation.Nullable
-  private Integer objArea;
-
-  public static final String SERIALIZED_NAME_OBJ_INT_ANGLE_DEV = "ObjIntAngleDev";
-
-  @SerializedName(SERIALIZED_NAME_OBJ_INT_ANGLE_DEV)
-  @javax.annotation.Nullable
-  private Integer objIntAngleDev;
-
-  public static final String SERIALIZED_NAME_PERSPECTIVE_TR = "PerspectiveTr";
-
-  @SerializedName(SERIALIZED_NAME_PERSPECTIVE_TR)
-  @javax.annotation.Nullable
-  private Integer perspectiveTr;
-
-  public static final String SERIALIZED_NAME_RESULT_STATUS = "ResultStatus";
-
-  @SerializedName(SERIALIZED_NAME_RESULT_STATUS)
-  @javax.annotation.Nullable
-  private Integer resultStatus;
-
-  public MrzPosition() {}
-
-  public MrzPosition docFormat(@javax.annotation.Nonnull DocumentFormat docFormat) {
-    this.docFormat = docFormat;
-    return this;
-  }
-
-  /**
-   * Get docFormat
-   *
-   * @return docFormat
-   */
-  @javax.annotation.Nonnull
-  public DocumentFormat getDocFormat() {
-    return docFormat;
-  }
-
-  public void setDocFormat(@javax.annotation.Nonnull DocumentFormat docFormat) {
-    this.docFormat = docFormat;
-  }
-
-  public MrzPosition angle(@javax.annotation.Nonnull BigDecimal angle) {
-    this.angle = angle;
-    return this;
-  }
-
-  /**
-   * Document rotation angle
-   *
-   * @return angle
-   */
-  @javax.annotation.Nonnull
-  public BigDecimal getAngle() {
-    return angle;
-  }
-
-  public void setAngle(@javax.annotation.Nonnull BigDecimal angle) {
-    this.angle = angle;
-  }
-
-  public MrzPosition width(@javax.annotation.Nonnull Integer width) {
-    this.width = width;
-    return this;
-  }
-
-  /**
-   * Document width
-   *
-   * @return width
-   */
-  @javax.annotation.Nonnull
-  public Integer getWidth() {
-    return width;
-  }
-
-  public void setWidth(@javax.annotation.Nonnull Integer width) {
-    this.width = width;
-  }
-
-  public MrzPosition height(@javax.annotation.Nonnull Integer height) {
-    this.height = height;
-    return this;
-  }
-
-  /**
-   * Document height
-   *
-   * @return height
-   */
-  @javax.annotation.Nonnull
-  public Integer getHeight() {
-    return height;
-  }
-
-  public void setHeight(@javax.annotation.Nonnull Integer height) {
-    this.height = height;
-  }
-
-  public MrzPosition center(@javax.annotation.Nonnull Point center) {
-    this.center = center;
-    return this;
-  }
-
-  /**
-   * Get center
-   *
-   * @return center
-   */
-  @javax.annotation.Nonnull
-  public Point getCenter() {
-    return center;
-  }
-
-  public void setCenter(@javax.annotation.Nonnull Point center) {
-    this.center = center;
-  }
-
-  public MrzPosition leftBottom(@javax.annotation.Nonnull Point leftBottom) {
-    this.leftBottom = leftBottom;
-    return this;
-  }
-
-  /**
-   * Get leftBottom
-   *
-   * @return leftBottom
-   */
-  @javax.annotation.Nonnull
-  public Point getLeftBottom() {
-    return leftBottom;
-  }
-
-  public void setLeftBottom(@javax.annotation.Nonnull Point leftBottom) {
-    this.leftBottom = leftBottom;
-  }
-
-  public MrzPosition leftTop(@javax.annotation.Nonnull Point leftTop) {
-    this.leftTop = leftTop;
-    return this;
-  }
-
-  /**
-   * Get leftTop
-   *
-   * @return leftTop
-   */
-  @javax.annotation.Nonnull
-  public Point getLeftTop() {
-    return leftTop;
-  }
-
-  public void setLeftTop(@javax.annotation.Nonnull Point leftTop) {
-    this.leftTop = leftTop;
-  }
-
-  public MrzPosition rightBottom(@javax.annotation.Nonnull Point rightBottom) {
-    this.rightBottom = rightBottom;
-    return this;
-  }
-
-  /**
-   * Get rightBottom
-   *
-   * @return rightBottom
-   */
-  @javax.annotation.Nonnull
-  public Point getRightBottom() {
-    return rightBottom;
-  }
-
-  public void setRightBottom(@javax.annotation.Nonnull Point rightBottom) {
-    this.rightBottom = rightBottom;
-  }
-
-  public MrzPosition rightTop(@javax.annotation.Nonnull Point rightTop) {
-    this.rightTop = rightTop;
-    return this;
-  }
-
-  /**
-   * Get rightTop
-   *
-   * @return rightTop
-   */
-  @javax.annotation.Nonnull
-  public Point getRightTop() {
-    return rightTop;
-  }
-
-  public void setRightTop(@javax.annotation.Nonnull Point rightTop) {
-    this.rightTop = rightTop;
-  }
-
-  public MrzPosition dpi(@javax.annotation.Nonnull Integer dpi) {
-    this.dpi = dpi;
-    return this;
-  }
-
-  /**
-   * Get dpi
-   *
-   * @return dpi
-   */
-  @javax.annotation.Nonnull
-  public Integer getDpi() {
-    return dpi;
-  }
-
-  public void setDpi(@javax.annotation.Nonnull Integer dpi) {
-    this.dpi = dpi;
-  }
-
-  public MrzPosition inverse(@javax.annotation.Nullable Integer inverse) {
-    this.inverse = inverse;
-    return this;
-  }
-
-  /**
-   * Get inverse
-   *
-   * @return inverse
-   */
-  @javax.annotation.Nullable
-  public Integer getInverse() {
-    return inverse;
-  }
-
-  public void setInverse(@javax.annotation.Nullable Integer inverse) {
-    this.inverse = inverse;
-  }
-
-  public MrzPosition objArea(@javax.annotation.Nullable Integer objArea) {
-    this.objArea = objArea;
-    return this;
-  }
-
-  /**
-   * Get objArea
-   *
-   * @return objArea
-   */
-  @javax.annotation.Nullable
-  public Integer getObjArea() {
-    return objArea;
-  }
-
-  public void setObjArea(@javax.annotation.Nullable Integer objArea) {
-    this.objArea = objArea;
-  }
-
-  public MrzPosition objIntAngleDev(@javax.annotation.Nullable Integer objIntAngleDev) {
-    this.objIntAngleDev = objIntAngleDev;
-    return this;
-  }
-
-  /**
-   * Get objIntAngleDev
-   *
-   * @return objIntAngleDev
-   */
-  @javax.annotation.Nullable
-  public Integer getObjIntAngleDev() {
-    return objIntAngleDev;
-  }
-
-  public void setObjIntAngleDev(@javax.annotation.Nullable Integer objIntAngleDev) {
-    this.objIntAngleDev = objIntAngleDev;
-  }
-
-  public MrzPosition perspectiveTr(@javax.annotation.Nullable Integer perspectiveTr) {
-    this.perspectiveTr = perspectiveTr;
-    return this;
-  }
-
-  /**
-   * Get perspectiveTr
-   *
-   * @return perspectiveTr
-   */
-  @javax.annotation.Nullable
-  public Integer getPerspectiveTr() {
-    return perspectiveTr;
-  }
-
-  public void setPerspectiveTr(@javax.annotation.Nullable Integer perspectiveTr) {
-    this.perspectiveTr = perspectiveTr;
-  }
-
-  public MrzPosition resultStatus(@javax.annotation.Nullable Integer resultStatus) {
-    this.resultStatus = resultStatus;
-    return this;
-  }
-
-  /**
-   * Get resultStatus
-   *
-   * @return resultStatus
-   */
-  @javax.annotation.Nullable
-  public Integer getResultStatus() {
-    return resultStatus;
-  }
-
-  public void setResultStatus(@javax.annotation.Nullable Integer resultStatus) {
-    this.resultStatus = resultStatus;
-  }
-
-  @Override
-  public boolean equals(Object o) {
-    if (this == o) {
-      return true;
-    }
-    if (o == null || getClass() != o.getClass()) {
-      return false;
-    }
-    MrzPosition mrzPosition = (MrzPosition) o;
-    return Objects.equals(this.docFormat, mrzPosition.docFormat)
-        && Objects.equals(this.angle, mrzPosition.angle)
-        && Objects.equals(this.width, mrzPosition.width)
-        && Objects.equals(this.height, mrzPosition.height)
-        && Objects.equals(this.center, mrzPosition.center)
-        && Objects.equals(this.leftBottom, mrzPosition.leftBottom)
-        && Objects.equals(this.leftTop, mrzPosition.leftTop)
-        && Objects.equals(this.rightBottom, mrzPosition.rightBottom)
-        && Objects.equals(this.rightTop, mrzPosition.rightTop)
-        && Objects.equals(this.dpi, mrzPosition.dpi)
-        && Objects.equals(this.inverse, mrzPosition.inverse)
-        && Objects.equals(this.objArea, mrzPosition.objArea)
-        && Objects.equals(this.objIntAngleDev, mrzPosition.objIntAngleDev)
-        && Objects.equals(this.perspectiveTr, mrzPosition.perspectiveTr)
-        && Objects.equals(this.resultStatus, mrzPosition.resultStatus);
-  }
-
-  @Override
-  public int hashCode() {
-    return Objects.hash(
-        docFormat,
-        angle,
-        width,
-        height,
-        center,
-        leftBottom,
-        leftTop,
-        rightBottom,
-        rightTop,
-        dpi,
-        inverse,
-        objArea,
-        objIntAngleDev,
-        perspectiveTr,
-        resultStatus);
-  }
-
-  @Override
-  public String toString() {
-    StringBuilder sb = new StringBuilder();
-    sb.append("class MrzPosition {\n");
-    sb.append("    docFormat: ").append(toIndentedString(docFormat)).append("\n");
-    sb.append("    angle: ").append(toIndentedString(angle)).append("\n");
-    sb.append("    width: ").append(toIndentedString(width)).append("\n");
-    sb.append("    height: ").append(toIndentedString(height)).append("\n");
-    sb.append("    center: ").append(toIndentedString(center)).append("\n");
-    sb.append("    leftBottom: ").append(toIndentedString(leftBottom)).append("\n");
-    sb.append("    leftTop: ").append(toIndentedString(leftTop)).append("\n");
-    sb.append("    rightBottom: ").append(toIndentedString(rightBottom)).append("\n");
-    sb.append("    rightTop: ").append(toIndentedString(rightTop)).append("\n");
-    sb.append("    dpi: ").append(toIndentedString(dpi)).append("\n");
-    sb.append("    inverse: ").append(toIndentedString(inverse)).append("\n");
-    sb.append("    objArea: ").append(toIndentedString(objArea)).append("\n");
-    sb.append("    objIntAngleDev: ").append(toIndentedString(objIntAngleDev)).append("\n");
-    sb.append("    perspectiveTr: ").append(toIndentedString(perspectiveTr)).append("\n");
-    sb.append("    resultStatus: ").append(toIndentedString(resultStatus)).append("\n");
-    sb.append("}");
-    return sb.toString();
-  }
-
-  /**
-   * Convert the given object to string with each line indented by 4 spaces (except the first line).
-   */
-  private String toIndentedString(Object o) {
-    if (o == null) {
-      return "null";
-    }
-    return o.toString().replace("\n", "\n    ");
-  }
-
-  public static HashSet<String> openapiFields;
-  public static HashSet<String> openapiRequiredFields;
-
-  static {
-    // a set of all properties/fields (JSON key names)
-    openapiFields = new HashSet<String>();
-    openapiFields.add("docFormat");
-    openapiFields.add("Angle");
-    openapiFields.add("Width");
-    openapiFields.add("Height");
-    openapiFields.add("Center");
-    openapiFields.add("LeftBottom");
-    openapiFields.add("LeftTop");
-    openapiFields.add("RightBottom");
-    openapiFields.add("RightTop");
-    openapiFields.add("Dpi");
-    openapiFields.add("Inverse");
-    openapiFields.add("ObjArea");
-    openapiFields.add("ObjIntAngleDev");
-    openapiFields.add("PerspectiveTr");
-    openapiFields.add("ResultStatus");
-
-    // a set of required properties/fields (JSON key names)
-    openapiRequiredFields = new HashSet<String>();
-    openapiRequiredFields.add("docFormat");
-    openapiRequiredFields.add("Angle");
-    openapiRequiredFields.add("Width");
-    openapiRequiredFields.add("Height");
-    openapiRequiredFields.add("Center");
-    openapiRequiredFields.add("LeftBottom");
-    openapiRequiredFields.add("LeftTop");
-    openapiRequiredFields.add("RightBottom");
-    openapiRequiredFields.add("RightTop");
-    openapiRequiredFields.add("Dpi");
-  }
-
-  /**
-   * Validates the JSON Element and throws an exception if issues found
-   *
-   * @param jsonElement JSON Element
-   * @throws IOException if the JSON Element is invalid with respect to MrzPosition
-   */
-  public static void validateJsonElement(JsonElement jsonElement) throws IOException {
-    if (jsonElement == null) {
-      if (!MrzPosition.openapiRequiredFields
-          .isEmpty()) { // has required fields but JSON element is null
-        throw new IllegalArgumentException(
-            String.format(
-                "The required field(s) %s in MrzPosition is not found in the empty JSON string",
-                MrzPosition.openapiRequiredFields.toString()));
-      }
-    }
-
-    // check to make sure all required properties/fields are present in the JSON string
-    for (String requiredField : MrzPosition.openapiRequiredFields) {
-      if (jsonElement.getAsJsonObject().get(requiredField) == null) {
-        throw new IllegalArgumentException(
-            String.format(
-                "The required field `%s` is not found in the JSON string: %s",
-                requiredField, jsonElement.toString()));
-      }
-    }
-    JsonObject jsonObj = jsonElement.getAsJsonObject();
-    // validate the required field `docFormat`
-    DocumentFormat.validateJsonElement(jsonObj.get("docFormat"));
-    // validate the required field `Center`
-    Point.validateJsonElement(jsonObj.get("Center"));
-    // validate the required field `LeftBottom`
-    Point.validateJsonElement(jsonObj.get("LeftBottom"));
-    // validate the required field `LeftTop`
-    Point.validateJsonElement(jsonObj.get("LeftTop"));
-    // validate the required field `RightBottom`
-    Point.validateJsonElement(jsonObj.get("RightBottom"));
-    // validate the required field `RightTop`
-    Point.validateJsonElement(jsonObj.get("RightTop"));
-  }
-
-  public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
-    @SuppressWarnings("unchecked")
-    @Override
-    public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
-      if (!MrzPosition.class.isAssignableFrom(type.getRawType())) {
-        return null; // this class only serializes 'MrzPosition' and its subtypes
-      }
-      final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
-      final TypeAdapter<MrzPosition> thisAdapter =
-          gson.getDelegateAdapter(this, TypeToken.get(MrzPosition.class));
-
-      return (TypeAdapter<T>)
-          new TypeAdapter<MrzPosition>() {
-            @Override
-            public void write(JsonWriter out, MrzPosition value) throws IOException {
-              JsonObject obj = thisAdapter.toJsonTree(value).getAsJsonObject();
-              elementAdapter.write(out, obj);
-            }
-
-            @Override
-            public MrzPosition read(JsonReader in) throws IOException {
-              JsonElement jsonElement = elementAdapter.read(in);
-              validateJsonElement(jsonElement);
-              return thisAdapter.fromJsonTree(jsonElement);
-            }
-          }.nullSafe();
-    }
-  }
-
-  /**
-   * Create an instance of MrzPosition given an JSON string
-   *
-   * @param jsonString JSON string
-   * @return An instance of MrzPosition
-   * @throws IOException if the JSON string is invalid with respect to MrzPosition
-   */
-  public static MrzPosition fromJson(String jsonString) throws IOException {
-    return JSON.getGson().fromJson(jsonString, MrzPosition.class);
-  }
-
-  /**
-   * Convert an instance of MrzPosition to an JSON string
-   *
-   * @return JSON string
-   */
-  public String toJson() {
-    return JSON.getGson().toJson(this);
-  }
-}
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/model/MrzPositionItem.java b/client/src/main/generated/com/regula/documentreader/webclient/model/MrzPositionItem.java
index 0be337d..a5b1e4d 100644
--- a/client/src/main/generated/com/regula/documentreader/webclient/model/MrzPositionItem.java
+++ b/client/src/main/generated/com/regula/documentreader/webclient/model/MrzPositionItem.java
@@ -35,11 +35,11 @@ public class MrzPositionItem {
 
   @SerializedName(SERIALIZED_NAME_MRZ_POSITION)
   @javax.annotation.Nonnull
-  private MrzPosition mrzPosition;
+  private DocumentPosition mrzPosition;
 
   public MrzPositionItem() {}
 
-  public MrzPositionItem mrzPosition(@javax.annotation.Nonnull MrzPosition mrzPosition) {
+  public MrzPositionItem mrzPosition(@javax.annotation.Nonnull DocumentPosition mrzPosition) {
     this.mrzPosition = mrzPosition;
     return this;
   }
@@ -50,11 +50,11 @@ public MrzPositionItem mrzPosition(@javax.annotation.Nonnull MrzPosition mrzPosi
    * @return mrzPosition
    */
   @javax.annotation.Nonnull
-  public MrzPosition getMrzPosition() {
+  public DocumentPosition getMrzPosition() {
     return mrzPosition;
   }
 
-  public void setMrzPosition(@javax.annotation.Nonnull MrzPosition mrzPosition) {
+  public void setMrzPosition(@javax.annotation.Nonnull DocumentPosition mrzPosition) {
     this.mrzPosition = mrzPosition;
   }
 
@@ -135,7 +135,7 @@ public static void validateJsonElement(JsonElement jsonElement) throws IOExcepti
     }
     JsonObject jsonObj = jsonElement.getAsJsonObject();
     // validate the required field `MrzPosition`
-    MrzPosition.validateJsonElement(jsonObj.get("MrzPosition"));
+    DocumentPosition.validateJsonElement(jsonObj.get("MrzPosition"));
   }
 
   public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/model/RfidDataFileType.java b/client/src/main/generated/com/regula/documentreader/webclient/model/RfidDataFileType.java
index 3760059..2062218 100644
--- a/client/src/main/generated/com/regula/documentreader/webclient/model/RfidDataFileType.java
+++ b/client/src/main/generated/com/regula/documentreader/webclient/model/RfidDataFileType.java
@@ -177,9 +177,9 @@ public enum RfidDataFileType {
 
   DIR(401),
 
-  _E_SIGN_PK(500),
+  E_SIGN_PK(500),
 
-  _E_SIGN_SIGNED_DATA(501),
+  E_SIGN_SIGNED_DATA(501),
 
   CERTIFICATE(600),
 
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/model/StringItem.java b/client/src/main/generated/com/regula/documentreader/webclient/model/StringItem.java
index 5c614c8..9084ce9 100644
--- a/client/src/main/generated/com/regula/documentreader/webclient/model/StringItem.java
+++ b/client/src/main/generated/com/regula/documentreader/webclient/model/StringItem.java
@@ -40,13 +40,13 @@ public class StringItem {
 
   @SerializedName(SERIALIZED_NAME_A_L_I_G_N_M_E_N_T_S_Y_M_B_O_L_S_I_N_S_T_R_I_N_G)
   @javax.annotation.Nonnull
-  private Integer ALIGNMENT_SYMBOLS_IN_STRING;
+  private CheckResult ALIGNMENT_SYMBOLS_IN_STRING;
 
   public static final String SERIALIZED_NAME_C_H_E_C_K_S_U_M_S = "CHECK_SUMS";
 
   @SerializedName(SERIALIZED_NAME_C_H_E_C_K_S_U_M_S)
   @javax.annotation.Nonnull
-  private Integer CHECK_SUMS;
+  private CheckResult CHECK_SUMS;
 
   public static final String SERIALIZED_NAME_ERROR_P_O_S_I_T_I_O_N = "ErrorPOSITION";
 
@@ -70,31 +70,31 @@ public class StringItem {
 
   @SerializedName(SERIALIZED_NAME_S_T_R_I_N_G_S_D_I_S_T_A_N_C_E)
   @javax.annotation.Nonnull
-  private Integer STRINGS_DISTANCE;
+  private CheckResult STRINGS_DISTANCE;
 
   public static final String SERIALIZED_NAME_S_T_R_I_N_G_S_I_N_T_E_R_V_A_L = "STRINGS_INTERVAL";
 
   @SerializedName(SERIALIZED_NAME_S_T_R_I_N_G_S_I_N_T_E_R_V_A_L)
   @javax.annotation.Nonnull
-  private Integer STRINGS_INTERVAL;
+  private CheckResult STRINGS_INTERVAL;
 
   public static final String SERIALIZED_NAME_S_T_R_I_N_G_F_I_L_L_I_N_G = "STRING_FILLING";
 
   @SerializedName(SERIALIZED_NAME_S_T_R_I_N_G_F_I_L_L_I_N_G)
   @javax.annotation.Nonnull
-  private Integer STRING_FILLING;
+  private CheckResult STRING_FILLING;
 
-  public static final String SERIALIZED_NAME_S_T_R_I_N_G_P_O_S_I_T_I_O_N = "STRING_POSITION";
+  public static final String SERIALIZED_NAME_S_T_R_I_N_G_S_P_O_S_I_T_I_O_N = "STRINGS_POSITION";
 
-  @SerializedName(SERIALIZED_NAME_S_T_R_I_N_G_P_O_S_I_T_I_O_N)
-  @javax.annotation.Nonnull
-  private Integer STRING_POSITION;
+  @SerializedName(SERIALIZED_NAME_S_T_R_I_N_G_S_P_O_S_I_T_I_O_N)
+  @javax.annotation.Nullable
+  private CheckResult STRINGS_POSITION;
 
   public static final String SERIALIZED_NAME_S_Y_M_B_O_L_S_P_A_R_A_M = "SYMBOLS_PARAM";
 
   @SerializedName(SERIALIZED_NAME_S_Y_M_B_O_L_S_P_A_R_A_M)
   @javax.annotation.Nonnull
-  private Integer SYMBOLS_PARAM;
+  private CheckResult SYMBOLS_PARAM;
 
   public static final String SERIALIZED_NAME_SIZE_ERROR_A_L_I_G_N_M_E_N_T = "SizeError_ALIGNMENT";
 
@@ -141,7 +141,7 @@ public class StringItem {
   public StringItem() {}
 
   public StringItem ALIGNMENT_SYMBOLS_IN_STRING(
-      @javax.annotation.Nonnull Integer ALIGNMENT_SYMBOLS_IN_STRING) {
+      @javax.annotation.Nonnull CheckResult ALIGNMENT_SYMBOLS_IN_STRING) {
     this.ALIGNMENT_SYMBOLS_IN_STRING = ALIGNMENT_SYMBOLS_IN_STRING;
     return this;
   }
@@ -152,16 +152,16 @@ public StringItem ALIGNMENT_SYMBOLS_IN_STRING(
    * @return ALIGNMENT_SYMBOLS_IN_STRING
    */
   @javax.annotation.Nonnull
-  public Integer getALIGNMENTSYMBOLSINSTRING() {
+  public CheckResult getALIGNMENTSYMBOLSINSTRING() {
     return ALIGNMENT_SYMBOLS_IN_STRING;
   }
 
   public void setALIGNMENTSYMBOLSINSTRING(
-      @javax.annotation.Nonnull Integer ALIGNMENT_SYMBOLS_IN_STRING) {
+      @javax.annotation.Nonnull CheckResult ALIGNMENT_SYMBOLS_IN_STRING) {
     this.ALIGNMENT_SYMBOLS_IN_STRING = ALIGNMENT_SYMBOLS_IN_STRING;
   }
 
-  public StringItem CHECK_SUMS(@javax.annotation.Nonnull Integer CHECK_SUMS) {
+  public StringItem CHECK_SUMS(@javax.annotation.Nonnull CheckResult CHECK_SUMS) {
     this.CHECK_SUMS = CHECK_SUMS;
     return this;
   }
@@ -172,11 +172,11 @@ public StringItem CHECK_SUMS(@javax.annotation.Nonnull Integer CHECK_SUMS) {
    * @return CHECK_SUMS
    */
   @javax.annotation.Nonnull
-  public Integer getCHECKSUMS() {
+  public CheckResult getCHECKSUMS() {
     return CHECK_SUMS;
   }
 
-  public void setCHECKSUMS(@javax.annotation.Nonnull Integer CHECK_SUMS) {
+  public void setCHECKSUMS(@javax.annotation.Nonnull CheckResult CHECK_SUMS) {
     this.CHECK_SUMS = CHECK_SUMS;
   }
 
@@ -245,7 +245,7 @@ public void setFields(@javax.annotation.Nonnull List<FieldItem> fields) {
     this.fields = fields;
   }
 
-  public StringItem STRINGS_DISTANCE(@javax.annotation.Nonnull Integer STRINGS_DISTANCE) {
+  public StringItem STRINGS_DISTANCE(@javax.annotation.Nonnull CheckResult STRINGS_DISTANCE) {
     this.STRINGS_DISTANCE = STRINGS_DISTANCE;
     return this;
   }
@@ -256,15 +256,15 @@ public StringItem STRINGS_DISTANCE(@javax.annotation.Nonnull Integer STRINGS_DIS
    * @return STRINGS_DISTANCE
    */
   @javax.annotation.Nonnull
-  public Integer getSTRINGSDISTANCE() {
+  public CheckResult getSTRINGSDISTANCE() {
     return STRINGS_DISTANCE;
   }
 
-  public void setSTRINGSDISTANCE(@javax.annotation.Nonnull Integer STRINGS_DISTANCE) {
+  public void setSTRINGSDISTANCE(@javax.annotation.Nonnull CheckResult STRINGS_DISTANCE) {
     this.STRINGS_DISTANCE = STRINGS_DISTANCE;
   }
 
-  public StringItem STRINGS_INTERVAL(@javax.annotation.Nonnull Integer STRINGS_INTERVAL) {
+  public StringItem STRINGS_INTERVAL(@javax.annotation.Nonnull CheckResult STRINGS_INTERVAL) {
     this.STRINGS_INTERVAL = STRINGS_INTERVAL;
     return this;
   }
@@ -275,15 +275,15 @@ public StringItem STRINGS_INTERVAL(@javax.annotation.Nonnull Integer STRINGS_INT
    * @return STRINGS_INTERVAL
    */
   @javax.annotation.Nonnull
-  public Integer getSTRINGSINTERVAL() {
+  public CheckResult getSTRINGSINTERVAL() {
     return STRINGS_INTERVAL;
   }
 
-  public void setSTRINGSINTERVAL(@javax.annotation.Nonnull Integer STRINGS_INTERVAL) {
+  public void setSTRINGSINTERVAL(@javax.annotation.Nonnull CheckResult STRINGS_INTERVAL) {
     this.STRINGS_INTERVAL = STRINGS_INTERVAL;
   }
 
-  public StringItem STRING_FILLING(@javax.annotation.Nonnull Integer STRING_FILLING) {
+  public StringItem STRING_FILLING(@javax.annotation.Nonnull CheckResult STRING_FILLING) {
     this.STRING_FILLING = STRING_FILLING;
     return this;
   }
@@ -294,34 +294,34 @@ public StringItem STRING_FILLING(@javax.annotation.Nonnull Integer STRING_FILLIN
    * @return STRING_FILLING
    */
   @javax.annotation.Nonnull
-  public Integer getSTRINGFILLING() {
+  public CheckResult getSTRINGFILLING() {
     return STRING_FILLING;
   }
 
-  public void setSTRINGFILLING(@javax.annotation.Nonnull Integer STRING_FILLING) {
+  public void setSTRINGFILLING(@javax.annotation.Nonnull CheckResult STRING_FILLING) {
     this.STRING_FILLING = STRING_FILLING;
   }
 
-  public StringItem STRING_POSITION(@javax.annotation.Nonnull Integer STRING_POSITION) {
-    this.STRING_POSITION = STRING_POSITION;
+  public StringItem STRINGS_POSITION(@javax.annotation.Nullable CheckResult STRINGS_POSITION) {
+    this.STRINGS_POSITION = STRINGS_POSITION;
     return this;
   }
 
   /**
-   * Get STRING_POSITION
+   * Get STRINGS_POSITION
    *
-   * @return STRING_POSITION
+   * @return STRINGS_POSITION
    */
-  @javax.annotation.Nonnull
-  public Integer getSTRINGPOSITION() {
-    return STRING_POSITION;
+  @javax.annotation.Nullable
+  public CheckResult getSTRINGSPOSITION() {
+    return STRINGS_POSITION;
   }
 
-  public void setSTRINGPOSITION(@javax.annotation.Nonnull Integer STRING_POSITION) {
-    this.STRING_POSITION = STRING_POSITION;
+  public void setSTRINGSPOSITION(@javax.annotation.Nullable CheckResult STRINGS_POSITION) {
+    this.STRINGS_POSITION = STRINGS_POSITION;
   }
 
-  public StringItem SYMBOLS_PARAM(@javax.annotation.Nonnull Integer SYMBOLS_PARAM) {
+  public StringItem SYMBOLS_PARAM(@javax.annotation.Nonnull CheckResult SYMBOLS_PARAM) {
     this.SYMBOLS_PARAM = SYMBOLS_PARAM;
     return this;
   }
@@ -332,11 +332,11 @@ public StringItem SYMBOLS_PARAM(@javax.annotation.Nonnull Integer SYMBOLS_PARAM)
    * @return SYMBOLS_PARAM
    */
   @javax.annotation.Nonnull
-  public Integer getSYMBOLSPARAM() {
+  public CheckResult getSYMBOLSPARAM() {
     return SYMBOLS_PARAM;
   }
 
-  public void setSYMBOLSPARAM(@javax.annotation.Nonnull Integer SYMBOLS_PARAM) {
+  public void setSYMBOLSPARAM(@javax.annotation.Nonnull CheckResult SYMBOLS_PARAM) {
     this.SYMBOLS_PARAM = SYMBOLS_PARAM;
   }
 
@@ -500,7 +500,7 @@ public boolean equals(Object o) {
         && Objects.equals(this.STRINGS_DISTANCE, stringItem.STRINGS_DISTANCE)
         && Objects.equals(this.STRINGS_INTERVAL, stringItem.STRINGS_INTERVAL)
         && Objects.equals(this.STRING_FILLING, stringItem.STRING_FILLING)
-        && Objects.equals(this.STRING_POSITION, stringItem.STRING_POSITION)
+        && Objects.equals(this.STRINGS_POSITION, stringItem.STRINGS_POSITION)
         && Objects.equals(this.SYMBOLS_PARAM, stringItem.SYMBOLS_PARAM)
         && Objects.equals(this.sizeErrorALIGNMENT, stringItem.sizeErrorALIGNMENT)
         && Objects.equals(this.sizeErrorDISTANCE, stringItem.sizeErrorDISTANCE)
@@ -522,7 +522,7 @@ public int hashCode() {
         STRINGS_DISTANCE,
         STRINGS_INTERVAL,
         STRING_FILLING,
-        STRING_POSITION,
+        STRINGS_POSITION,
         SYMBOLS_PARAM,
         sizeErrorALIGNMENT,
         sizeErrorDISTANCE,
@@ -547,7 +547,7 @@ public String toString() {
     sb.append("    STRINGS_DISTANCE: ").append(toIndentedString(STRINGS_DISTANCE)).append("\n");
     sb.append("    STRINGS_INTERVAL: ").append(toIndentedString(STRINGS_INTERVAL)).append("\n");
     sb.append("    STRING_FILLING: ").append(toIndentedString(STRING_FILLING)).append("\n");
-    sb.append("    STRING_POSITION: ").append(toIndentedString(STRING_POSITION)).append("\n");
+    sb.append("    STRINGS_POSITION: ").append(toIndentedString(STRINGS_POSITION)).append("\n");
     sb.append("    SYMBOLS_PARAM: ").append(toIndentedString(SYMBOLS_PARAM)).append("\n");
     sb.append("    sizeErrorALIGNMENT: ").append(toIndentedString(sizeErrorALIGNMENT)).append("\n");
     sb.append("    sizeErrorDISTANCE: ").append(toIndentedString(sizeErrorDISTANCE)).append("\n");
@@ -584,7 +584,7 @@ private String toIndentedString(Object o) {
     openapiFields.add("STRINGS_DISTANCE");
     openapiFields.add("STRINGS_INTERVAL");
     openapiFields.add("STRING_FILLING");
-    openapiFields.add("STRING_POSITION");
+    openapiFields.add("STRINGS_POSITION");
     openapiFields.add("SYMBOLS_PARAM");
     openapiFields.add("SizeError_ALIGNMENT");
     openapiFields.add("SizeError_DISTANCE");
@@ -604,7 +604,6 @@ private String toIndentedString(Object o) {
     openapiRequiredFields.add("STRINGS_DISTANCE");
     openapiRequiredFields.add("STRINGS_INTERVAL");
     openapiRequiredFields.add("STRING_FILLING");
-    openapiRequiredFields.add("STRING_POSITION");
     openapiRequiredFields.add("SYMBOLS_PARAM");
     openapiRequiredFields.add("SizeError_ALIGNMENT");
     openapiRequiredFields.add("SizeError_DISTANCE");
@@ -642,6 +641,10 @@ public static void validateJsonElement(JsonElement jsonElement) throws IOExcepti
       }
     }
     JsonObject jsonObj = jsonElement.getAsJsonObject();
+    // validate the required field `ALIGNMENT_SYMBOLS_IN_STRING`
+    CheckResult.validateJsonElement(jsonObj.get("ALIGNMENT_SYMBOLS_IN_STRING"));
+    // validate the required field `CHECK_SUMS`
+    CheckResult.validateJsonElement(jsonObj.get("CHECK_SUMS"));
     // validate the required field `ErrorPOSITION`
     ErrorCoordinates.validateJsonElement(jsonObj.get("ErrorPOSITION"));
     // ensure the json data is an array
@@ -658,6 +661,18 @@ public static void validateJsonElement(JsonElement jsonElement) throws IOExcepti
       FieldItem.validateJsonElement(jsonArrayfields.get(i));
     }
     ;
+    // validate the required field `STRINGS_DISTANCE`
+    CheckResult.validateJsonElement(jsonObj.get("STRINGS_DISTANCE"));
+    // validate the required field `STRINGS_INTERVAL`
+    CheckResult.validateJsonElement(jsonObj.get("STRINGS_INTERVAL"));
+    // validate the required field `STRING_FILLING`
+    CheckResult.validateJsonElement(jsonObj.get("STRING_FILLING"));
+    // validate the optional field `STRINGS_POSITION`
+    if (jsonObj.get("STRINGS_POSITION") != null && !jsonObj.get("STRINGS_POSITION").isJsonNull()) {
+      CheckResult.validateJsonElement(jsonObj.get("STRINGS_POSITION"));
+    }
+    // validate the required field `SYMBOLS_PARAM`
+    CheckResult.validateJsonElement(jsonObj.get("SYMBOLS_PARAM"));
     // validate the required field `StringBorders`
     RectangleCoordinates.validateJsonElement(jsonObj.get("StringBorders"));
     // ensure the json data is an array
diff --git a/client/src/main/generated/com/regula/documentreader/webclient/model/VisualExtendedFieldItem.java b/client/src/main/generated/com/regula/documentreader/webclient/model/VisualExtendedFieldItem.java
index a03ce9b..b9c7e46 100644
--- a/client/src/main/generated/com/regula/documentreader/webclient/model/VisualExtendedFieldItem.java
+++ b/client/src/main/generated/com/regula/documentreader/webclient/model/VisualExtendedFieldItem.java
@@ -87,7 +87,7 @@ public class VisualExtendedFieldItem {
 
   @SerializedName(SERIALIZED_NAME_W_L_C_I_D)
   @javax.annotation.Nullable
-  private Integer wLCID;
+  private LCID wLCID;
 
   public static final String SERIALIZED_NAME_RESERVED2 = "Reserved2";
 
@@ -286,7 +286,7 @@ public void setInComparison(@javax.annotation.Nullable Integer inComparison) {
     this.inComparison = inComparison;
   }
 
-  public VisualExtendedFieldItem wLCID(@javax.annotation.Nullable Integer wLCID) {
+  public VisualExtendedFieldItem wLCID(@javax.annotation.Nullable LCID wLCID) {
     this.wLCID = wLCID;
     return this;
   }
@@ -297,11 +297,11 @@ public VisualExtendedFieldItem wLCID(@javax.annotation.Nullable Integer wLCID) {
    * @return wLCID
    */
   @javax.annotation.Nullable
-  public Integer getwLCID() {
+  public LCID getwLCID() {
     return wLCID;
   }
 
-  public void setwLCID(@javax.annotation.Nullable Integer wLCID) {
+  public void setwLCID(@javax.annotation.Nullable LCID wLCID) {
     this.wLCID = wLCID;
   }
 
@@ -494,6 +494,10 @@ public static void validateJsonElement(JsonElement jsonElement) throws IOExcepti
               "Expected the field `FieldMask` to be a primitive type in the JSON string but got `%s`",
               jsonObj.get("FieldMask").toString()));
     }
+    // validate the optional field `wLCID`
+    if (jsonObj.get("wLCID") != null && !jsonObj.get("wLCID").isJsonNull()) {
+      LCID.validateJsonElement(jsonObj.get("wLCID"));
+    }
   }
 
   /**