'宣言
Public MustInherit Class _EncodingsDefinitionBuilder (Of TEncodingsDefinition As IEncodingsDefinition, TEncodingsDefinitionContext As IEncodingsDefinitionContext) Implements IEncodingsDefinitionBuilder(Of TEncodingsDefinition)
public abstract class _EncodingsDefinitionBuilder<TEncodingsDefinition,TEncodingsDefinitionContext> : IEncodingsDefinitionBuilder<TEncodingsDefinition> where TEncodingsDefinition: IEncodingsDefinition where TEncodingsDefinitionContext: IEncodingsDefinitionContext