1. A method comprising: determining, within a computer framework comprising one or more processors, that a request received from a developer of a first in-development component of the computer framework for interaction with a second in-development component of the computer framework requires instantiation of an actual business object of the second in-development component, the actual business object not yet existing within the computer framework; generating, within the computer framework, a mockup business object based on metadata stored within a database in the computer framework, the metadata depicting a model of the actual business object; persisting the mockup business object in a mockup storage of the computer framework; and instantiating the mockup business object from the mockup storage at runtime of the first in- development component such development of the first in-development component proceeds independently of and in parallel to development of the second in-develop component; wherein upon determining, based on the metadata, a change in a structure of the mockup business object, modifying the stored mockup business object based on the determined change to implement the change to the structure of the stored mockup business object; wherein the change to the structure comprises a data type change associated with the mockup business object.