FormatStep (Red Hat JBoss Enterprise Application Platform 8.0.0.Beta public API)

```
public interface FormatStep
```
A single format step which handles some part of rendering a log record.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`int`	`estimateLength()`	Emit an estimate of the length of data which this step will produce.
`default boolean`	`isCallerInformationRequired()`	Indicates whether or not caller information is required for this format step.
`void`	`render(StringBuilder builder, ExtLogRecord record)`	Render a part of the log record.

- Method Detail
  - render
```
void render(StringBuilder builder,
            ExtLogRecord record)
```
    Render a part of the log record.
    
    Parameters:
    
    builder - the string builder to append to
    
    record - the record being rendered
  - estimateLength
```
int estimateLength()
```
    Emit an estimate of the length of data which this step will produce. The more accurate the estimate, the more likely the format operation will be performant.
    
    Returns:
    
    an estimate
  - isCallerInformationRequired
```
default boolean isCallerInformationRequired()
```
    Indicates whether or not caller information is required for this format step.
    
    Returns:
    
    true if caller information is required, otherwise false