# Data validation layer
[Core classes]

Collaboration diagram for Data validation layer:

## Classes

class | Filter
| Factory for Filtrator implementations. More...
class | FilterChain
| Chained Filtrator. More...
class | Form
| Complete Form class. More...
class | FormField
| Atom for using in LogicalExpression. More...
class | FormUtils
class | MappedForm
class | PlainForm
| Common Primitive-handling. More...
class | Primitive
| Factory for various Primitives. More...
class | RegulatedForm
| Rules support for final Form. More...

## Modules

| Tools for primitive's filtration
| Base data types used in Form