IntelliJ Structural Replace for changing annotation value

intellij_ssr.groovy

import com.intellij.psi.impl.source.tree.java.*
import com.intellij.psi.*
import com.intellij.psi.impl.*
import java.util.stream.*

def str = ""
if (LString instanceof PsiLiteralExpressionImpl) {
    str = LString.value
} else if (LString instanceof PsiPolyadicExpressionImpl) {
    PsiPolyadicExpression parentExpression = LString
    StringBuilder computedValue = new StringBuilder();
    for (PsiExpression operand : parentExpression.getOperands()) {
        if (operand instanceof PsiReference) {
            PsiElement probableDefinition = ((PsiReference) operand).resolve();
            if (probableDefinition instanceof PsiVariable) {
                PsiExpression initializer = ((PsiVariable) probableDefinition).getInitializer();
                if (initializer != null) {
                    Object value = JavaConstantExpressionEvaluator.computeConstantExpression(initializer, true);
                    if (value instanceof String) {
                        computedValue.append(value);
                    }
                }
            }
        } else {
            Object value = JavaConstantExpressionEvaluator.computeConstantExpression(operand, true);
            if (value instanceof String) {
                computedValue.append(value);
            }
        }
    }
    str =  computedValue.toString();
}

return str.tokenize(",").stream().map { it.trim() }.map { "\"$it\"" }.collect(Collectors.joining(",\n    "))

Replace template

@UsesPermissions({
    $LList$
})

Search template

@UsesPermissions(permissionNames = $LString$)