// Path: parser/src/main/java/io/lindstrom/mpd/data/descriptor/Descriptor.java
// @JsonTypeInfo(
//         use = JsonTypeInfo.Id.NAME,
//         property = "schemeIdUri",
//         include = JsonTypeInfo.As.EXISTING_PROPERTY,
//         visible = true,
//         defaultImpl = GenericDescriptor.class)
// @JsonSubTypes({
//         @JsonSubTypes.Type(value = Role.class, name = Role.SCHEME_ID_URI),
//         @JsonSubTypes.Type(value = Mp4Protection.class, name = Mp4Protection.SCHEME_ID_URI),
//         @JsonSubTypes.Type(value = PlayReadyContentProtection.class, name = PlayReadyContentProtection.SCHEME_ID_URI),
//         @JsonSubTypes.Type(value = WidewineProtection.class, name = WidewineProtection.SCHEME_ID_URI)
// })
// public abstract class Descriptor {
//     @JacksonXmlProperty(isAttribute = true)
//     protected final String schemeIdUri;
// 
//     @JacksonXmlProperty(isAttribute = true)
//     protected final String id;
// 
//     protected Descriptor(String schemeIdUri, String id) {
//         this.schemeIdUri = schemeIdUri;
//         this.id = id;
//     }
// 
//     public String getSchemeIdUri() {
//         return schemeIdUri;
//     }
// 
//     public String getId() {
//         return id;
//     }
// 
//     @JsonIgnore
//     public abstract String getValue();
// 
//     @Override
//     public boolean equals(Object o) {
//         if (this == o) return true;
//         if (!(o instanceof Descriptor)) return false;
//         Descriptor that = (Descriptor) o;
//         return Objects.equals(schemeIdUri, that.schemeIdUri) &&
//                 Objects.equals(id, that.id);
//     }
// 
//     @Override
//     public int hashCode() {
//         return Objects.hash(schemeIdUri, id);
//     }
// }


import io.lindstrom.mpd.data.*;
import io.lindstrom.mpd.data.descriptor.Descriptor;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
        return Violation.empty();
    }

    public static List<Violation> validate(MPD mpd, Period period, AdaptationSet adaptationSet, Representation representation) {
        List<Violation> violations = new ArrayList<>();

        violations.addAll(Arrays.asList(
            ruleR501(adaptationSet, representation),
            ruleR502(adaptationSet, representation),
            ruleR51(mpd, period, adaptationSet, representation),
            ruleR52(representation),
            ruleRD50(mpd, adaptationSet),
            ruleRD51(mpd, adaptationSet, representation),
            ruleRD52(mpd, adaptationSet, representation),
            ruleRD53(mpd, adaptationSet, representation),
            ruleRD54(mpd, adaptationSet, representation)
        ));

        if (representation.getSegmentTemplate() != null) {
            violations.addAll(SegmentTemplateValidator.validate(mpd, representation.getSegmentTemplate()));
        }

        if (representation.getSegmentList() != null) {
            violations.addAll(SegmentListValidator.validate(mpd, representation.getSegmentList()));
        }

        if (representation.getSegmentBase() != null) {
            violations.addAll(SegmentBaseValidator.validate(mpd, representation.getSegmentBase()));
        }

// Path: parser/src/main/java/io/lindstrom/mpd/data/descriptor/Descriptor.java
// @JsonTypeInfo(
//         use = JsonTypeInfo.Id.NAME,
//         property = "schemeIdUri",
//         include = JsonTypeInfo.As.EXISTING_PROPERTY,
//         visible = true,
//         defaultImpl = GenericDescriptor.class)
// @JsonSubTypes({
//         @JsonSubTypes.Type(value = Role.class, name = Role.SCHEME_ID_URI),
//         @JsonSubTypes.Type(value = Mp4Protection.class, name = Mp4Protection.SCHEME_ID_URI),
//         @JsonSubTypes.Type(value = PlayReadyContentProtection.class, name = PlayReadyContentProtection.SCHEME_ID_URI),
//         @JsonSubTypes.Type(value = WidewineProtection.class, name = WidewineProtection.SCHEME_ID_URI)
// })
// public abstract class Descriptor {
//     @JacksonXmlProperty(isAttribute = true)
//     protected final String schemeIdUri;
// 
//     @JacksonXmlProperty(isAttribute = true)
//     protected final String id;
// 
//     protected Descriptor(String schemeIdUri, String id) {
//         this.schemeIdUri = schemeIdUri;
//         this.id = id;
//     }
// 
//     public String getSchemeIdUri() {
//         return schemeIdUri;
//     }
// 
//     public String getId() {
//         return id;
//     }
// 
//     @JsonIgnore
//     public abstract String getValue();
// 
//     @Override
//     public boolean equals(Object o) {
//         if (this == o) return true;
//         if (!(o instanceof Descriptor)) return false;
//         Descriptor that = (Descriptor) o;
//         return Objects.equals(schemeIdUri, that.schemeIdUri) &&
//                 Objects.equals(id, that.id);
//     }
// 
//     @Override
//     public int hashCode() {
//         return Objects.hash(schemeIdUri, id);
//     }
// }


// Path: validator/src/main/java/io/lindstrom/mpd/validator/rules/RepresentationValidator.java
import io.lindstrom.mpd.data.*;
import io.lindstrom.mpd.data.descriptor.Descriptor;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

        return Violation.empty();
    }

    public static List<Violation> validate(MPD mpd, Period period, AdaptationSet adaptationSet, Representation representation) {
        List<Violation> violations = new ArrayList<>();

        violations.addAll(Arrays.asList(
            ruleR501(adaptationSet, representation),
            ruleR502(adaptationSet, representation),
            ruleR51(mpd, period, adaptationSet, representation),
            ruleR52(representation),
            ruleRD50(mpd, adaptationSet),
            ruleRD51(mpd, adaptationSet, representation),
            ruleRD52(mpd, adaptationSet, representation),
            ruleRD53(mpd, adaptationSet, representation),
            ruleRD54(mpd, adaptationSet, representation)
        ));

        if (representation.getSegmentTemplate() != null) {
            violations.addAll(SegmentTemplateValidator.validate(mpd, representation.getSegmentTemplate()));
        }

        if (representation.getSegmentList() != null) {
            violations.addAll(SegmentListValidator.validate(mpd, representation.getSegmentList()));
        }

        if (representation.getSegmentBase() != null) {
            violations.addAll(SegmentBaseValidator.validate(mpd, representation.getSegmentBase()));
        }

        for (Descriptor framePacking : representation.getFramePackings()) {