Represents the change of a column.
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|---|---|---|
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	public
					
					
				 | __construct(string $oldColumnName, Column $column, string[] $changedProperties = [], ?Column $fromColumn = null) | # | 
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	public
					
					
				 | hasChanged(string $propertyName): bool | # | 
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	public
					
					
				 | getOldColumnName(): Identifier | # | 
| Properties | |||
|---|---|---|---|
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	public
					
					
				 | string | $oldColumnName | # | 
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	public
					
					
				 | Column | $column | # | 
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	public
					
					
				 | string[] | $changedProperties = [] | # | 
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	public
					
					
				 | Column|null | $fromColumn | # |