code: public void setAttributeDefinitions(java.util.Collection<AttributeDefinition> attributeDefinitions) {
          if (attributeDefinitions == null) {
              this.attributeDefinitions = null;
              return;
          }
  
          this.attributeDefinitions = new java.util.ArrayList<AttributeDefinition>(attributeDefinitions);
      }
docs: <p>
  An array of attributes that describe the key schema for the table and indexes.
  </p>
  
  @param attributeDefinitions
  An array of attributes that describe the key schema for the table and indexes.