See: Description
| Class | Description | 
|---|---|
| PiBitString | 
 BitString entity in a protocol-independent pipeline. 
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| PiBool | 
 Boolean entity in a protocol-independent pipeline. 
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| PiEnumString | 
 EnumString entity in a protocol-independent pipeline. 
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| PiErrorString | 
 ErrorString entity in a protocol-independent pipeline. 
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| PiHeader | 
 Instance of a PiHeader in a protocol-independent pipeline. 
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| PiHeaderStack | 
 Instance of a PiHeaderStack in a protocol-independent pipeline. 
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| PiHeaderUnion | 
 PiHeaderUnion entity in a protocol-independent pipeline. 
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| PiHeaderUnionStack | 
 PiHeaderUnionStack entity in a protocol-independent pipeline. 
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| PiStruct | 
 Struct entity in a protocol-independent pipeline. 
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| PiTuple | 
 Tuple entity in a protocol-independent pipeline. 
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