diff --git a/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal-docs.json b/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal-docs.json
index cd368bba88c..400ac77a974 100644
--- a/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal-docs.json
+++ b/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal-docs.json
@@ -2074,7 +2074,10 @@
           "200": {
             "description": "OK",
             "schema": {
-              "$ref": "#/definitions/ResponseEntityListGenomicDataCountItem"
+              "items": {
+                "$ref": "#/definitions/GenomicDataCountItem"
+              },
+              "type": "array"
             }
           }
         },
@@ -3939,53 +3942,6 @@
       },
       "type": "object"
     },
-    "ContentDisposition": {
-      "properties": {
-        "attachment": {
-          "type": "boolean"
-        },
-        "charset": {
-          "properties": {
-            "registered": {
-              "type": "boolean"
-            }
-          },
-          "type": "object"
-        },
-        "creationDate": {
-          "format": "date-time",
-          "type": "string"
-        },
-        "filename": {
-          "type": "string"
-        },
-        "formData": {
-          "type": "boolean"
-        },
-        "inline": {
-          "type": "boolean"
-        },
-        "modificationDate": {
-          "format": "date-time",
-          "type": "string"
-        },
-        "name": {
-          "type": "string"
-        },
-        "readDate": {
-          "format": "date-time",
-          "type": "string"
-        },
-        "size": {
-          "format": "int64",
-          "type": "integer"
-        },
-        "type": {
-          "type": "string"
-        }
-      },
-      "type": "object"
-    },
     "CopyNumberCount": {
       "properties": {
         "alteration": {
@@ -5005,76 +4961,6 @@
       ],
       "type": "object"
     },
-    "HttpMethod": {
-      "type": "object"
-    },
-    "HttpRange": {
-      "type": "object"
-    },
-    "HttpStatusCode": {
-      "properties": {
-        "error": {
-          "type": "boolean"
-        },
-        "is1xxInformational": {
-          "type": "boolean"
-        },
-        "is2xxSuccessful": {
-          "type": "boolean"
-        },
-        "is3xxRedirection": {
-          "type": "boolean"
-        },
-        "is4xxClientError": {
-          "type": "boolean"
-        },
-        "is5xxServerError": {
-          "type": "boolean"
-        }
-      },
-      "type": "object"
-    },
-    "MediaType": {
-      "properties": {
-        "parameters": {
-          "additionalProperties": {
-            "type": "string"
-          },
-          "type": "object"
-        },
-        "charset": {
-          "properties": {
-            "registered": {
-              "type": "boolean"
-            }
-          },
-          "type": "object"
-        },
-        "concrete": {
-          "type": "boolean"
-        },
-        "qualityValue": {
-          "format": "double",
-          "type": "number"
-        },
-        "subtype": {
-          "type": "string"
-        },
-        "subtypeSuffix": {
-          "type": "string"
-        },
-        "type": {
-          "type": "string"
-        },
-        "wildcardSubtype": {
-          "type": "boolean"
-        },
-        "wildcardType": {
-          "type": "boolean"
-        }
-      },
-      "type": "object"
-    },
     "MolecularProfileCaseIdentifier": {
       "properties": {
         "caseId": {
@@ -5488,401 +5374,6 @@
       ],
       "type": "object"
     },
-    "ResponseEntityListGenomicDataCountItem": {
-      "properties": {
-        "body": {
-          "items": {
-            "$ref": "#/definitions/GenomicDataCountItem"
-          },
-          "type": "array"
-        },
-        "headers": {
-          "additionalProperties": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          },
-          "properties": {
-            "host": {
-              "properties": {
-                "address": {
-                  "properties": {
-                    "address": {
-                      "items": {
-                        "format": "byte",
-                        "type": "string"
-                      },
-                      "type": "array"
-                    },
-                    "anyLocalAddress": {
-                      "type": "boolean"
-                    },
-                    "canonicalHostName": {
-                      "type": "string"
-                    },
-                    "hostAddress": {
-                      "type": "string"
-                    },
-                    "hostName": {
-                      "type": "string"
-                    },
-                    "linkLocalAddress": {
-                      "type": "boolean"
-                    },
-                    "loopbackAddress": {
-                      "type": "boolean"
-                    },
-                    "mcglobal": {
-                      "type": "boolean"
-                    },
-                    "mclinkLocal": {
-                      "type": "boolean"
-                    },
-                    "mcnodeLocal": {
-                      "type": "boolean"
-                    },
-                    "mcorgLocal": {
-                      "type": "boolean"
-                    },
-                    "mcsiteLocal": {
-                      "type": "boolean"
-                    },
-                    "multicastAddress": {
-                      "type": "boolean"
-                    },
-                    "siteLocalAddress": {
-                      "type": "boolean"
-                    }
-                  },
-                  "type": "object"
-                },
-                "hostName": {
-                  "type": "string"
-                },
-                "hostString": {
-                  "type": "string"
-                },
-                "port": {
-                  "format": "int32",
-                  "type": "integer"
-                },
-                "unresolved": {
-                  "type": "boolean"
-                }
-              },
-              "type": "object"
-            },
-            "accept": {
-              "items": {
-                "$ref": "#/definitions/MediaType"
-              },
-              "type": "array"
-            },
-            "acceptCharset": {
-              "items": {
-                "properties": {
-                  "registered": {
-                    "type": "boolean"
-                  }
-                },
-                "type": "object"
-              },
-              "type": "array"
-            },
-            "acceptLanguage": {
-              "items": {
-                "properties": {
-                  "range": {
-                    "type": "string"
-                  },
-                  "weight": {
-                    "format": "double",
-                    "type": "number"
-                  }
-                },
-                "type": "object"
-              },
-              "type": "array"
-            },
-            "acceptLanguageAsLocales": {
-              "items": {
-                "properties": {
-                  "country": {
-                    "type": "string"
-                  },
-                  "displayCountry": {
-                    "type": "string"
-                  },
-                  "displayLanguage": {
-                    "type": "string"
-                  },
-                  "displayName": {
-                    "type": "string"
-                  },
-                  "displayScript": {
-                    "type": "string"
-                  },
-                  "displayVariant": {
-                    "type": "string"
-                  },
-                  "extensionKeys": {
-                    "items": {
-                      "type": "string"
-                    },
-                    "type": "array",
-                    "uniqueItems": true
-                  },
-                  "iso3Country": {
-                    "type": "string"
-                  },
-                  "iso3Language": {
-                    "type": "string"
-                  },
-                  "language": {
-                    "type": "string"
-                  },
-                  "script": {
-                    "type": "string"
-                  },
-                  "unicodeLocaleAttributes": {
-                    "items": {
-                      "type": "string"
-                    },
-                    "type": "array",
-                    "uniqueItems": true
-                  },
-                  "unicodeLocaleKeys": {
-                    "items": {
-                      "type": "string"
-                    },
-                    "type": "array",
-                    "uniqueItems": true
-                  },
-                  "variant": {
-                    "type": "string"
-                  }
-                },
-                "type": "object"
-              },
-              "type": "array"
-            },
-            "acceptPatch": {
-              "items": {
-                "$ref": "#/definitions/MediaType"
-              },
-              "type": "array"
-            },
-            "accessControlAllowCredentials": {
-              "type": "boolean"
-            },
-            "accessControlAllowHeaders": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "accessControlAllowMethods": {
-              "items": {
-                "$ref": "#/definitions/HttpMethod"
-              },
-              "type": "array"
-            },
-            "accessControlAllowOrigin": {
-              "type": "string"
-            },
-            "accessControlExposeHeaders": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "accessControlMaxAge": {
-              "format": "int64",
-              "type": "integer"
-            },
-            "accessControlRequestHeaders": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "accessControlRequestMethod": {
-              "$ref": "#/definitions/HttpMethod"
-            },
-            "all": {
-              "additionalProperties": {
-                "type": "string"
-              },
-              "type": "object"
-            },
-            "allow": {
-              "items": {
-                "$ref": "#/definitions/HttpMethod"
-              },
-              "type": "array",
-              "uniqueItems": true
-            },
-            "basicAuth": {
-              "type": "string"
-            },
-            "bearerAuth": {
-              "type": "string"
-            },
-            "cacheControl": {
-              "type": "string"
-            },
-            "connection": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "contentDisposition": {
-              "$ref": "#/definitions/ContentDisposition"
-            },
-            "contentLanguage": {
-              "properties": {
-                "country": {
-                  "type": "string"
-                },
-                "displayCountry": {
-                  "type": "string"
-                },
-                "displayLanguage": {
-                  "type": "string"
-                },
-                "displayName": {
-                  "type": "string"
-                },
-                "displayScript": {
-                  "type": "string"
-                },
-                "displayVariant": {
-                  "type": "string"
-                },
-                "extensionKeys": {
-                  "items": {
-                    "type": "string"
-                  },
-                  "type": "array",
-                  "uniqueItems": true
-                },
-                "iso3Country": {
-                  "type": "string"
-                },
-                "iso3Language": {
-                  "type": "string"
-                },
-                "language": {
-                  "type": "string"
-                },
-                "script": {
-                  "type": "string"
-                },
-                "unicodeLocaleAttributes": {
-                  "items": {
-                    "type": "string"
-                  },
-                  "type": "array",
-                  "uniqueItems": true
-                },
-                "unicodeLocaleKeys": {
-                  "items": {
-                    "type": "string"
-                  },
-                  "type": "array",
-                  "uniqueItems": true
-                },
-                "variant": {
-                  "type": "string"
-                }
-              },
-              "type": "object"
-            },
-            "contentLength": {
-              "format": "int64",
-              "type": "integer"
-            },
-            "contentType": {
-              "$ref": "#/definitions/MediaType"
-            },
-            "date": {
-              "format": "int64",
-              "type": "integer"
-            },
-            "empty": {
-              "type": "boolean"
-            },
-            "etag": {
-              "type": "string"
-            },
-            "expires": {
-              "format": "int64",
-              "type": "integer"
-            },
-            "ifMatch": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "ifModifiedSince": {
-              "format": "int64",
-              "type": "integer"
-            },
-            "ifNoneMatch": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            },
-            "ifUnmodifiedSince": {
-              "format": "int64",
-              "type": "integer"
-            },
-            "lastModified": {
-              "format": "int64",
-              "type": "integer"
-            },
-            "location": {
-              "format": "uri",
-              "type": "string"
-            },
-            "origin": {
-              "type": "string"
-            },
-            "pragma": {
-              "type": "string"
-            },
-            "range": {
-              "items": {
-                "$ref": "#/definitions/HttpRange"
-              },
-              "type": "array"
-            },
-            "upgrade": {
-              "type": "string"
-            },
-            "vary": {
-              "items": {
-                "type": "string"
-              },
-              "type": "array"
-            }
-          },
-          "type": "object"
-        },
-        "statusCode": {
-          "$ref": "#/definitions/HttpStatusCode"
-        },
-        "statusCodeValue": {
-          "format": "int32",
-          "type": "integer"
-        }
-      },
-      "type": "object"
-    },
     "Sample": {
       "properties": {
         "copyNumberSegmentPresent": {
diff --git a/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal.ts b/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal.ts
index 1ed2f0d49fb..4202dd5db8f 100644
--- a/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal.ts
+++ b/packages/cbioportal-ts-api-client/src/generated/CBioPortalAPIInternal.ts
@@ -316,33 +316,6 @@ export type CoExpressionFilter = {
 
         'sampleListId': string
 
-};
-export type ContentDisposition = {
-    'attachment': boolean
-
-        'charset': {
-        'registered': boolean
-
-    }
-
-        'creationDate': string
-
-        'filename': string
-
-        'formData': boolean
-
-        'inline': boolean
-
-        'modificationDate': string
-
-        'name': string
-
-        'readDate': string
-
-        'size': number
-
-        'type': string
-
 };
 export type CopyNumberCount = {
     'alteration': number
@@ -714,10 +687,10 @@ export type GenomicDataBinFilter = {
 export type GenomicDataCount = {
     'count': number
 
-        'uniqueCount': number
-
         'label': string
 
+        'uniqueCount': number
+
         'value': string
 
 };
@@ -796,45 +769,6 @@ export type GroupStatistics = {
 
         'standardDeviation': number
 
-};
-export type HttpMethod = {};
-export type HttpRange = {};
-export type HttpStatusCode = {
-    'error': boolean
-
-        'is1xxInformational': boolean
-
-        'is2xxSuccessful': boolean
-
-        'is3xxRedirection': boolean
-
-        'is4xxClientError': boolean
-
-        'is5xxServerError': boolean
-
-};
-export type MediaType = {
-    'parameters': {}
-
-    'charset': {
-        'registered': boolean
-
-    }
-
-    'concrete': boolean
-
-        'qualityValue': number
-
-        'subtype': string
-
-        'subtypeSuffix': string
-
-        'type': string
-
-        'wildcardSubtype': boolean
-
-        'wildcardType': boolean
-
 };
 export type MolecularProfileCaseIdentifier = {
     'caseId': string
@@ -907,8 +841,9 @@ export type MutationDataFilter = {
 
         'profileType': string
 
-        'values': Array < Array< DataFilterValue > >
-        
+        'values': Array < Array < DataFilterValue >
+        >
+
 };
 export type MutationPositionIdentifier = {
     'entrezGeneId': number
@@ -1011,201 +946,6 @@ export type ResourceDefinition = {
 
         'studyId': string
 
-};
-export type ResponseEntityListGenomicDataCountItem = {
-    'body': Array < GenomicDataCountItem >
-
-        'headers': {
-            'host': {
-                'address': {
-                    'address': Array < string >
-
-                        'anyLocalAddress': boolean
-
-                        'canonicalHostName': string
-
-                        'hostAddress': string
-
-                        'hostName': string
-
-                        'linkLocalAddress': boolean
-
-                        'loopbackAddress': boolean
-
-                        'mcglobal': boolean
-
-                        'mclinkLocal': boolean
-
-                        'mcnodeLocal': boolean
-
-                        'mcorgLocal': boolean
-
-                        'mcsiteLocal': boolean
-
-                        'multicastAddress': boolean
-
-                        'siteLocalAddress': boolean
-
-                }
-
-                'hostName': string
-
-                    'hostString': string
-
-                    'port': number
-
-                    'unresolved': boolean
-
-            }
-
-            'accept': Array < MediaType >
-
-                'acceptCharset': Array < {
-                    'registered': boolean
-
-                } >
-
-                'acceptLanguage': Array < {
-                    'range': string
-
-                        'weight': number
-
-                } >
-
-                'acceptLanguageAsLocales': Array < {
-                    'country': string
-
-                        'displayCountry': string
-
-                        'displayLanguage': string
-
-                        'displayName': string
-
-                        'displayScript': string
-
-                        'displayVariant': string
-
-                        'extensionKeys': Array < string >
-
-                        'iso3Country': string
-
-                        'iso3Language': string
-
-                        'language': string
-
-                        'script': string
-
-                        'unicodeLocaleAttributes': Array < string >
-
-                        'unicodeLocaleKeys': Array < string >
-
-                        'variant': string
-
-                } >
-
-                'acceptPatch': Array < MediaType >
-
-                'accessControlAllowCredentials': boolean
-
-                'accessControlAllowHeaders': Array < string >
-
-                'accessControlAllowMethods': Array < HttpMethod >
-
-                'accessControlAllowOrigin': string
-
-                'accessControlExposeHeaders': Array < string >
-
-                'accessControlMaxAge': number
-
-                'accessControlRequestHeaders': Array < string >
-
-                'accessControlRequestMethod': HttpMethod
-
-                'all': {}
-
-                'allow': Array < HttpMethod >
-
-                'basicAuth': string
-
-                'bearerAuth': string
-
-                'cacheControl': string
-
-                'connection': Array < string >
-
-                'contentDisposition': ContentDisposition
-
-                'contentLanguage': {
-                'country': string
-
-                    'displayCountry': string
-
-                    'displayLanguage': string
-
-                    'displayName': string
-
-                    'displayScript': string
-
-                    'displayVariant': string
-
-                    'extensionKeys': Array < string >
-
-                    'iso3Country': string
-
-                    'iso3Language': string
-
-                    'language': string
-
-                    'script': string
-
-                    'unicodeLocaleAttributes': Array < string >
-
-                    'unicodeLocaleKeys': Array < string >
-
-                    'variant': string
-
-            }
-
-                'contentLength': number
-
-                'contentType': MediaType
-
-                'date': number
-
-                'empty': boolean
-
-                'etag': string
-
-                'expires': number
-
-                'ifMatch': Array < string >
-
-                'ifModifiedSince': number
-
-                'ifNoneMatch': Array < string >
-
-                'ifUnmodifiedSince': number
-
-                'lastModified': number
-
-                'location': string
-
-                'origin': string
-
-                'pragma': string
-
-                'range': Array < HttpRange >
-
-                'upgrade': string
-
-                'vary': Array < string >
-
-        }
-
-        'statusCode': HttpStatusCode
-
-        'statusCodeValue': number
-
 };
 export type Sample = {
     'copyNumberSegmentPresent': boolean
@@ -4814,85 +4554,6 @@ export default class CBioPortalAPIInternal {
                 return response.body;
             });
         };
-
-    fetchMutationDataCountsUsingPOSTURL(parameters: {
-        'genomicDataCountFilter': GenomicDataCountFilter,
-        $queryParameters ? : any
-    }): string {
-        let queryParameters: any = {};
-        let path = '/api/mutation-data-counts/fetch';
-
-        if (parameters.$queryParameters) {
-            Object.keys(parameters.$queryParameters).forEach(function(parameterName) {
-                var parameter = parameters.$queryParameters[parameterName];
-                queryParameters[parameterName] = parameter;
-            });
-        }
-        let keys = Object.keys(queryParameters);
-        return this.domain + path + (keys.length > 0 ? '?' + (keys.map(key => key + '=' + encodeURIComponent(queryParameters[key])).join('&')) : '');
-    };
-    
-    /**
-     * Fetch mutation data counts by GenomicDataCountFilter
-     * @method
-     * @name CBioPortalAPIInternal#fetchMutationDataCountsUsingPOST
-     * @param {} genomicDataCountFilter - Genomic data count filter
-     */
-    fetchMutationDataCountsUsingPOSTWithHttpInfo(parameters: {
-        'genomicDataCountFilter': GenomicDataCountFilter,
-        $queryParameters ? : any,
-        $domain ? : string
-    }): Promise < request.Response > {
-        const domain = parameters.$domain ? parameters.$domain : this.domain;
-        const errorHandlers = this.errorHandlers;
-        const request = this.request;
-        let path = '/api/mutation-data-counts/fetch';
-        let body: any;
-        let queryParameters: any = {};
-        let headers: any = {};
-        let form: any = {};
-        return new Promise(function(resolve, reject) {
-            headers['Accept'] = 'application/json';
-            headers['Content-Type'] = 'application/json';
-
-            if (parameters['genomicDataCountFilter'] !== undefined) {
-                body = parameters['genomicDataCountFilter'];
-            }
-
-            if (parameters['genomicDataCountFilter'] === undefined) {
-                reject(new Error('Missing required  parameter: genomicDataCountFilter'));
-                return;
-            }
-
-            if (parameters.$queryParameters) {
-                Object.keys(parameters.$queryParameters).forEach(function(parameterName) {
-                    var parameter = parameters.$queryParameters[parameterName];
-                    queryParameters[parameterName] = parameter;
-                });
-            }
-
-            request('POST', domain + path, body, headers, queryParameters, form, reject, resolve, errorHandlers);
-
-        });
-    };
-    
-    /**
-     * Fetch mutation data counts by GenomicDataCountFilter
-     * @method
-     * @name CBioPortalAPIInternal#fetchMutationDataCountsUsingPOST
-     * @param {} genomicDataCountFilter - Genomic data count filter
-     */
-    fetchMutationDataCountsUsingPOST(parameters: {
-            'genomicDataCountFilter': GenomicDataCountFilter,
-            $queryParameters ? : any,
-            $domain ? : string
-        }): Promise < Array < GenomicDataCountItem >
-        > {
-            return this.fetchMutationDataCountsUsingPOSTWithHttpInfo(parameters).then(function(response: request.Response) {
-                return response.body;
-            });
-        };
-
     fetchMolecularProfileSampleCountsUsingPOSTURL(parameters: {
         'studyViewFilter' ? : StudyViewFilter,
         $queryParameters ? : any
@@ -5620,6 +5281,90 @@ export default class CBioPortalAPIInternal {
                 return response.body;
             });
         };
+    fetchMutationDataCountsUsingPOSTURL(parameters: {
+        'projection' ? : "ID" | "SUMMARY" | "DETAILED" | "META",
+        'genomicDataCountFilter' ? : GenomicDataCountFilter,
+        $queryParameters ? : any
+    }): string {
+        let queryParameters: any = {};
+        let path = '/api/mutation-data-counts/fetch';
+        if (parameters['projection'] !== undefined) {
+            queryParameters['projection'] = parameters['projection'];
+        }
+
+        if (parameters.$queryParameters) {
+            Object.keys(parameters.$queryParameters).forEach(function(parameterName) {
+                var parameter = parameters.$queryParameters[parameterName];
+                queryParameters[parameterName] = parameter;
+            });
+        }
+        let keys = Object.keys(queryParameters);
+        return this.domain + path + (keys.length > 0 ? '?' + (keys.map(key => key + '=' + encodeURIComponent(queryParameters[key])).join('&')) : '');
+    };
+
+    /**
+     * Fetch mutation data counts by GenomicDataCountFilter
+     * @method
+     * @name CBioPortalAPIInternal#fetchMutationDataCountsUsingPOST
+     * @param {string} projection - Level of detail of the response
+     * @param {} genomicDataCountFilter - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     */
+    fetchMutationDataCountsUsingPOSTWithHttpInfo(parameters: {
+        'projection' ? : "ID" | "SUMMARY" | "DETAILED" | "META",
+        'genomicDataCountFilter' ? : GenomicDataCountFilter,
+        $queryParameters ? : any,
+            $domain ? : string
+    }): Promise < request.Response > {
+        const domain = parameters.$domain ? parameters.$domain : this.domain;
+        const errorHandlers = this.errorHandlers;
+        const request = this.request;
+        let path = '/api/mutation-data-counts/fetch';
+        let body: any;
+        let queryParameters: any = {};
+        let headers: any = {};
+        let form: any = {};
+        return new Promise(function(resolve, reject) {
+            headers['Accept'] = 'application/json';
+            headers['Content-Type'] = 'application/json';
+
+            if (parameters['projection'] !== undefined) {
+                queryParameters['projection'] = parameters['projection'];
+            }
+
+            if (parameters['genomicDataCountFilter'] !== undefined) {
+                body = parameters['genomicDataCountFilter'];
+            }
+
+            if (parameters.$queryParameters) {
+                Object.keys(parameters.$queryParameters).forEach(function(parameterName) {
+                    var parameter = parameters.$queryParameters[parameterName];
+                    queryParameters[parameterName] = parameter;
+                });
+            }
+
+            request('POST', domain + path, body, headers, queryParameters, form, reject, resolve, errorHandlers);
+
+        });
+    };
+
+    /**
+     * Fetch mutation data counts by GenomicDataCountFilter
+     * @method
+     * @name CBioPortalAPIInternal#fetchMutationDataCountsUsingPOST
+     * @param {string} projection - Level of detail of the response
+     * @param {} genomicDataCountFilter - A web service for supplying JSON formatted data to cBioPortal clients. Please note that this API is currently in beta and subject to change.
+     */
+    fetchMutationDataCountsUsingPOST(parameters: {
+            'projection' ? : "ID" | "SUMMARY" | "DETAILED" | "META",
+            'genomicDataCountFilter' ? : GenomicDataCountFilter,
+            $queryParameters ? : any,
+                $domain ? : string
+        }): Promise < Array < GenomicDataCountItem >
+        > {
+            return this.fetchMutationDataCountsUsingPOSTWithHttpInfo(parameters).then(function(response: request.Response) {
+                return response.body;
+            });
+        };
     getAllReferenceGenomeGenesUsingGETURL(parameters: {
         'genomeName': string,
         $queryParameters ? : any
diff --git a/packages/oncokb-ts-api-client/src/generated/OncoKbAPI-docs.json b/packages/oncokb-ts-api-client/src/generated/OncoKbAPI-docs.json
index 6f123ccef9c..8fd7b83450b 100644
--- a/packages/oncokb-ts-api-client/src/generated/OncoKbAPI-docs.json
+++ b/packages/oncokb-ts-api-client/src/generated/OncoKbAPI-docs.json
@@ -2,7 +2,7 @@
   "swagger": "2.0",
   "info": {
     "description": "OncoKB, a comprehensive and curated precision oncology knowledge base, offers oncologists detailed, evidence-based information about individual somatic mutations and structural alterations present in patient tumors with the goal of supporting optimal treatment decisions.",
-    "version": "v1.4.0",
+    "version": "v1.4.1",
     "title": "OncoKB APIs",
     "contact": {
       "name": "OncoKB",