get
Attempts to create a signatory for the project that will be used everywhere something is to be signed and an explicit signatory has not been set (for the task/operation).
This may be called multiple times and the implementer is free to return a different instance if the project state has changed in someway that influences the default signatory.
Return
The signatory, or null if there is insufficient information available to create one.
Parameters
project
The project which the signatory is for