private static ContentMetadata buildContentMetadata(String contentType) {
        ContentMetadata contentMetadata = ContentMetadataBuilder.create()
                .contentType(contentType)
                .build();
        return BaseMutableContentMetadata.fromContentMetadata(contentMetadata);
    }
Delete file content from blob store

@param filePath absolute file path, for example: Users/user1/files/inputs/data.csv
storage/src/main/java/com/epam/aidial/core/storage/blobstore/BlobStorage.java