// "named" functions can be expressions.
            is KtNamedFunction ->
                doesParentUseChild(psiElement.parent, psiElement)

            // No other declarations are considered expressions
            is KtDeclaration ->
                false

            /**
             * EXPRESSIONS
             */
            // A handful of expression are never considered used:

        public Object getValue(String expression) {
            Object value = valueSource.getValue(expression);

            if (value != null && expression.startsWith(bannedPrefix)) {
                String msg = "The expression ${" + expression + "} is deprecated.";
                if (newPrefix != null && !newPrefix.isEmpty()) {
                    msg += " Please use ${" + newPrefix + expression.substring(bannedPrefix.length()) + "} instead.";

     *
     * @param receiverExpression a qualified expression receiver (e.g., `foo` in `foo?.bar()`, or in `foo.bar`).
     *
     * The function unwraps certain receiver expressions. For instance, for safe calls direct counterpart to a [KtSafeQualifiedExpression]
     * is (FirCheckedSafeCallSubject)[org.jetbrains.kotlin.fir.expressions.FirCheckedSafeCallSubject] which requires additional unwrapping

            val expression = variableAssignment.psi as? KtExpression

            if (firVariableSymbol is FirVariableSymbol<*> && firVariableSymbol.fir.isLocalMember && expression != null) {
                val variableSymbol = analysisSession.firSymbolBuilder.variableLikeBuilder.buildVariableLikeSymbol(firVariableSymbol)
                val reassignment = VariableReassignment(expression, variableSymbol, variableAssignment.isAugmented())

            for (String expression : BASEDIR_EXPRESSIONS) {
                if (s.startsWith(expression)) {
                    basedirExpr = expression;
                    break;
                }
            }

            if (basedirExpr != null) {
                if (s.length() > basedirExpr.length()) {
                    // Take out basedir expression and the leading slash

import org.jetbrains.kotlin.fir.analysis.diagnostics.toFirDiagnostics
import org.jetbrains.kotlin.fir.diagnostics.ConeDiagnostic
import org.jetbrains.kotlin.fir.expressions.FirQualifiedAccessExpression
import org.jetbrains.kotlin.fir.expressions.createConeSubstitutorFromTypeArguments
import org.jetbrains.kotlin.fir.resolve.substitution.ConeSubstitutor
import org.jetbrains.kotlin.fir.symbols.impl.FirCallableSymbol

import org.jetbrains.kotlin.fir.FirSession
import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
import org.jetbrains.kotlin.fir.declarations.toAnnotationClassId
import org.jetbrains.kotlin.fir.expressions.FirAnnotation
import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
import org.jetbrains.kotlin.fir.symbols.resolveAnnotationsWithArguments
import org.jetbrains.kotlin.fir.symbols.resolveAnnotationsWithClassIds

import org.apache.maven.api.services.ModelProblemCollector;

/**
 * Replaces expressions of the form <code>${token}</code> with their effective values. Effective values are basically
 * calculated from the elements of the model itself and the execution properties from the building request.
 *
 */
public interface ModelInterpolator {

    /**
     * Interpolates expressions in the specified model. Note that implementations are free to either interpolate the

            type.isULong -> KtConstantValue.KtUnsignedLongConstantValue((value as Number).toLong().toULong(), expression)
            type.isString -> KtConstantValue.KtStringConstantValue(value.toString(), expression)
            type.isFloat -> KtConstantValue.KtFloatConstantValue((value as Number).toFloat(), expression)
            type.isDouble -> KtConstantValue.KtDoubleConstantValue((value as Number).toDouble(), expression)
            else -> null

<pre class="grammar">
Production  = production_name "=" [ Expression ] "." .
Expression  = Alternative { "|" Alternative } .
Alternative = Term { Term } .
Term        = production_name | token [ "…" token ] | Group | Option | Repetition .
Group       = "(" Expression ")" .
Option      = "[" Expression "]" .
Repetition  = "{" Expression "}" .
</pre>

<p>
Productions are expressions constructed from terms and the following