validate

Validates a PresentationDefinitionV2.

This method performs several checks to ensure the integrity of the presentation definition model object:

1. Ensures that the presentation definition's ID is not empty.

2. Validates that the name, if present, is not empty.

3. Checks that the purpose, if provided, is not empty.

4. Verifies the uniqueness of all inputDescriptor IDs within the presentation.

5. Ensures that FieldV2 ids are unique across all input descriptors.

6. For each input descriptor, it validates the descriptor using InputDescriptorV2Validator.

Throws