1. A method for implementing a validation framework for validating commands for configuring entities in a telecommunications network, the method comprising: providing, to a first computing system, a validation configuration file containing at least one rule for validating, based on domain knowledge of a network entity, commands for configuring the network entity, wherein the validation configuration file is provided from a developer of the network entity, the validation configuration file being a human readable file convertible by the first computing system to a machine-readable format usable by the first computing system for performing data validation, wherein the first computing system includes a telecommunications network element; and at the first computing system, receiving data associated with a command for configuring the network entity, validating the received data using the at least one rule, wherein said validating comprises at least one of validating the command and providing presentation intelligence, wherein providing presentation intelligence includes modifying an appearance of a graphical user interface for configuring the network entity, wherein modifying the appearance of the graphical user interface includes proactively controlling input by disabling or enabling graphical user interface elements based on the capabilities of the telecommunications network element, and, responsive to validating the data, performing at least one action.