This extension point allows for the contribution of various UI extensions which can be referenced from the <code>org.eclipse.cdt.managedbuilder.core.buildDefinitions</code> extensions. Via this extension point, for example, the developer may contribute a custom JFace field-editor, which can then be referenced by its ID from an <code>&lt;option&gt;</code> element of an <code>org.eclipse.cdt.managedbuilder.core.buildDefinitions</code> extension.
This element can be used to contribute a custom JFace field-editor to represent a build-option in the project Properties dialog UI. Contributing a custom field-editor through this element is not enough - the custom field-editor must also be referenced by its ID from an <code>&lt;option&gt;</code> element of an <code>org.eclipse.cdt.managedbuilder.core.buildDefinitions</code> extension.
A unique identifier which will be used to reference this field-editor from an <code>&lt;option&gt;</code> element of an <code>org.eclipse.cdt.managedbuilder.core.buildDefinitions</code> extension.
Specifies the Java class which implements the custom field-editor. This class must extend JFace's <code>FieldEditor</code> abstract class, and implement the <code>ICustomBuildOptionEditor</code> interface.
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