import javascript

/**
 * DEPRECATED: Use `SsaDefinition` from `SSA.qll` instead.
 * An identifier appearing in a defining position.
 */
deprecated class DefiningIdentifier extends Identifier {
  DefiningIdentifier() {
    this instanceof VarDecl or
    exists(Assignment assgn | this = assgn.getLhs()) or
    exists(UpdateExpr upd | this = upd.getOperand())
  }
}