# ColumnChartStreamSource

The ColumnChartStreamSource type declaration and related types. Optional fields are marked with ?.

Canonical: https://chart.syidax.com/docs/types/ColumnChartStreamSource/

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## Type declaration

```typescript
export interface ColumnChartStreamSource {
  push(value: number): void;
  pushBatch(values: ReadonlyArray<number> | Float32Array): void;
  shift(count: number): void;
  replace(values: ReadonlyArray<number> | Float32Array): void;
  snapshot(window?: number): Float32Array;
  subscribe(listener: (event: ColumnChartStreamEvent) => void): () => void;
  readonly length: number;
}
```

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## Related types

- [ColumnChartStreamEvent](https://chart.syidax.com/docs/types/ColumnChartStreamEvent.md)