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package org.eclipse.jdt.core;
public interface ICodeAssist {
/**
* Performs code completion at the given offset position in this compilation unit,
* reporting results to the given completion requestor. The <code>offset</code>
* is the 0-based index of the character, after which code assist is desired.
* An <code>offset</code> of -1 indicates to code assist at the beginning of this
* compilation unit.
*
* @exception JavaModelException if code assist could not be performed. Reasons include:<ul>
* <li>This Java element does not exist (ELEMENT_DOES_NOT_EXIST)</li>
* <li> The position specified is < -1 or is greater than this compilation unit's
* source length (INDEX_OUT_OF_BOUNDS)
* </ul>
*
* @exception IllegalArgumentException if <code>requestor</code> is <code>null</code>
*/
void codeComplete(int offset, ICodeCompletionRequestor requestor) throws JavaModelException;
/**
* Performs code selection on the given selected text in this compilation unit,
* reporting results to the given selection requestor. The <code>offset</code>
* is the 0-based index of the first selected character. The <code>length</code>
* is the number of selected characters.
*
* @exception JavaModelException if code resolve could not be performed. Reasons include:
* <li>This Java element does not exist (ELEMENT_DOES_NOT_EXIST)</li>
* <li> The range specified is not within this element's
* source range (INDEX_OUT_OF_BOUNDS)
* </ul>
*
*/
IJavaElement[] codeSelect(int offset, int length) throws JavaModelException;
}
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