<ClientCallableAttribute> _
<ClientCallableConstraintAttribute(Type := ClientCallableConstraintType.NotNull)> _
Public ReadOnly Property RoleDefinitionBindings As SPRoleDefinitionBindingCollection
    Get

Dim instance As SPRoleAssignment
Dim value As SPRoleDefinitionBindingCollection

value = instance.RoleDefinitionBindings

[ClientCallableAttribute]
[ClientCallableConstraintAttribute(Type = ClientCallableConstraintType.NotNull)]
public SPRoleDefinitionBindingCollection RoleDefinitionBindings { get; }