## countAggregateFunction
```mermaid
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flowchart LR
countAggregateFunction_start([countAggregateFunction])
countAggregateFunction_start --> countAggregateFunction_0_0[COUNT]
countAggregateFunction_0_0 --> countAggregateFunction_0_1["("]
countAggregateFunction_0_1 --> countAggregateFunction_0_2[distinct]
countAggregateFunction_0_2 --> countAggregateFunction_0_3[part]
countAggregateFunction_0_3 --> countAggregateFunction_0_4[")"]
countAggregateFunction_0_4 --> countAggregateFunction_end(( ))
```