Properly distinguish negative source and sink characteristics.

In particular, `IsSanitizerCharacteristic` is a negative _source_ characteristic (not a negative sink characteristic), while `NeutralModelCharacteristic` is both.

This eliminates the erroneous test results.

Author: Max Schaefer

java/ql/automodel/src/AutomodelSharedCharacteristics.qll

@@ -252,6 +252,23 @@ module SharedCharacteristics<CandidateSig Candidate> {
     }
   }
 
+  /**
+   * A high-confidence characteristic that indicates that an endpoint is not a source of any type. These endpoints can be
+   * used as negative samples for training or for a few-shot prompt.
+   */
+  abstract class NotASourceCharacteristic extends EndpointCharacteristic {
+    bindingset[this]
+    NotASourceCharacteristic() { any() }
+
+    override predicate hasImplications(
+      Candidate::EndpointType endpointType, boolean isPositiveIndicator, float confidence
+    ) {
+      endpointType instanceof Candidate::SourceType and
+      isPositiveIndicator = false and
+      confidence = highConfidence()
+    }
+  }
+
   /**
    * A medium-confidence characteristic that indicates that an endpoint is unlikely to be a sink of any type. These
    * endpoints can be excluded from scoring at inference time, both to save time and to avoid false positives. They should
@@ -340,17 +357,27 @@ module SharedCharacteristics<CandidateSig Candidate> {
     /**
      * A negative characteristic that indicates that an endpoint was manually modeled as a neutral model.
      */
-    private class NeutralModelCharacteristic extends NotASinkCharacteristic {
-      NeutralModelCharacteristic() { this = "known non-sink" }
+    private class NeutralModelCharacteristic extends NotASinkCharacteristic,
+      NotASourceCharacteristic
+    {
+      NeutralModelCharacteristic() { this = "known non-endpoint" }
+
+      // this is a negative characteristic for both sinks and sources
+      override predicate hasImplications(
+        Candidate::EndpointType endpointType, boolean isPositiveIndicator, float confidence
+      ) {
+        NotASinkCharacteristic.super.hasImplications(endpointType, isPositiveIndicator, confidence) or
+        NotASourceCharacteristic.super
+            .hasImplications(endpointType, isPositiveIndicator, confidence)
+      }
 
       override predicate appliesToEndpoint(Candidate::Endpoint e) { Candidate::isNeutral(e) }
     }
 
     /**
-     * A negative characteristic that indicates that an endpoint is not part of the source code for the project being
-     * analyzed.
+     * A negative characteristic that indicates that an endpoint is a sanitizer, and thus not a source.
      */
-    private class IsSanitizerCharacteristic extends NotASinkCharacteristic {
+    private class IsSanitizerCharacteristic extends NotASourceCharacteristic {
       IsSanitizerCharacteristic() { this = "known sanitizer" }
 
       override predicate appliesToEndpoint(Candidate::Endpoint e) { Candidate::isSanitizer(e, _) }

java/ql/automodel/test/AutomodelApplicationModeExtraction/AutomodelApplicationModeExtractCandidates.expected

@@ -7,7 +7,6 @@
 | Test.java:36:10:38:3 | newInputStream(...) | Related locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:36:10:38:3 | newInputStream(...) | CallContext | Test.java:36:10:38:3 | newInputStream(...) | MethodDoc | Test.java:36:10:38:3 | newInputStream(...) | ClassDoc | file://java.nio.file:1:1:1:1 | java.nio.file | package | file://Files:1:1:1:1 | Files | type | file://false:1:1:1:1 | false | subtypes | file://newInputStream:1:1:1:1 | newInputStream | name | file://(Path,OpenOption[]):1:1:1:1 | (Path,OpenOption[]) | signature | file://:1:1:1:1 |  | input | file://ReturnValue:1:1:1:1 | ReturnValue | output | file://false:1:1:1:1 | false | isVarargsArray | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
 | Test.java:37:4:37:11 | openPath | Related locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:36:10:38:3 | newInputStream(...) | CallContext | Test.java:37:4:37:11 | openPath | MethodDoc | Test.java:37:4:37:11 | openPath | ClassDoc | file://java.nio.file:1:1:1:1 | java.nio.file | package | file://Files:1:1:1:1 | Files | type | file://false:1:1:1:1 | false | subtypes | file://newInputStream:1:1:1:1 | newInputStream | name | file://(Path,OpenOption[]):1:1:1:1 | (Path,OpenOption[]) | signature | file://Argument[0]:1:1:1:1 | Argument[0] | input | file://:1:1:1:1 |  | output | file://false:1:1:1:1 | false | isVarargsArray | file://ai-manual:1:1:1:1 | ai-manual | alreadyAiModeled | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
 | Test.java:43:4:43:22 | get(...) | Related locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:43:4:43:22 | get(...) | CallContext | Test.java:43:4:43:22 | get(...) | MethodDoc | Test.java:43:4:43:22 | get(...) | ClassDoc | file://java.nio.file:1:1:1:1 | java.nio.file | package | file://Paths:1:1:1:1 | Paths | type | file://false:1:1:1:1 | false | subtypes | file://get:1:1:1:1 | get | name | file://(String,String[]):1:1:1:1 | (String,String[]) | signature | file://:1:1:1:1 |  | input | file://ReturnValue:1:1:1:1 | ReturnValue | output | file://false:1:1:1:1 | false | isVarargsArray | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
-| Test.java:48:10:50:3 | compareTo(...) | Related locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:48:10:50:3 | compareTo(...) | CallContext | Test.java:48:10:50:3 | compareTo(...) | MethodDoc | Test.java:48:10:50:3 | compareTo(...) | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://:1:1:1:1 |  | input | file://ReturnValue:1:1:1:1 | ReturnValue | output | file://false:1:1:1:1 | false | isVarargsArray | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
 | Test.java:54:3:59:3 | walk(...) | Related locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:54:3:59:3 | walk(...) | CallContext | Test.java:54:3:59:3 | walk(...) | MethodDoc | Test.java:54:3:59:3 | walk(...) | ClassDoc | file://java.nio.file:1:1:1:1 | java.nio.file | package | file://Files:1:1:1:1 | Files | type | file://false:1:1:1:1 | false | subtypes | file://walk:1:1:1:1 | walk | name | file://(Path,FileVisitOption[]):1:1:1:1 | (Path,FileVisitOption[]) | signature | file://:1:1:1:1 |  | input | file://ReturnValue:1:1:1:1 | ReturnValue | output | file://false:1:1:1:1 | false | isVarargsArray | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
 | Test.java:56:4:56:4 | o | Related locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:54:3:59:3 | walk(...) | CallContext | Test.java:54:3:59:3 | walk(...) | MethodDoc | Test.java:54:3:59:3 | walk(...) | ClassDoc | file://java.nio.file:1:1:1:1 | java.nio.file | package | file://Files:1:1:1:1 | Files | type | file://false:1:1:1:1 | false | subtypes | file://walk:1:1:1:1 | walk | name | file://(Path,FileVisitOption[]):1:1:1:1 | (Path,FileVisitOption[]) | signature | file://Argument[1]:1:1:1:1 | Argument[1] | input | file://:1:1:1:1 |  | output | file://true:1:1:1:1 | true | isVarargsArray | file://:1:1:1:1 |  | alreadyAiModeled | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
 | Test.java:63:3:63:3 | c | Related locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:63:3:63:20 | getInputStream(...) | CallContext | Test.java:63:3:63:3 | c | MethodDoc | Test.java:63:3:63:3 | c | ClassDoc | file://java.net:1:1:1:1 | java.net | package | file://URLConnection:1:1:1:1 | URLConnection | type | file://true:1:1:1:1 | true | subtypes | file://getInputStream:1:1:1:1 | getInputStream | name | file://():1:1:1:1 | () | signature | file://Argument[this]:1:1:1:1 | Argument[this] | input | file://:1:1:1:1 |  | output | file://false:1:1:1:1 | false | isVarargsArray | file://:1:1:1:1 |  | alreadyAiModeled | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |

java/ql/automodel/test/AutomodelApplicationModeExtraction/AutomodelApplicationModeExtractNegativeExamples.expected

@@ -1,2 +1,3 @@
-| Test.java:49:4:49:5 | f2 | known non-sink\nrelated locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:48:10:50:3 | compareTo(...) | CallContext | Test.java:49:4:49:5 | f2 | MethodDoc | Test.java:49:4:49:5 | f2 | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://Argument[0]:1:1:1:1 | Argument[0] | input | file://:1:1:1:1 |  | output | file://false:1:1:1:1 | false | isVarargsArray | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
+| Test.java:48:10:50:3 | compareTo(...) | known sanitizer\nrelated locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:48:10:50:3 | compareTo(...) | CallContext | Test.java:48:10:50:3 | compareTo(...) | MethodDoc | Test.java:48:10:50:3 | compareTo(...) | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://:1:1:1:1 |  | input | file://ReturnValue:1:1:1:1 | ReturnValue | output | file://false:1:1:1:1 | false | isVarargsArray | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
+| Test.java:49:4:49:5 | f2 | known non-endpoint\nrelated locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:48:10:50:3 | compareTo(...) | CallContext | Test.java:49:4:49:5 | f2 | MethodDoc | Test.java:49:4:49:5 | f2 | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://Argument[0]:1:1:1:1 | Argument[0] | input | file://:1:1:1:1 |  | output | file://false:1:1:1:1 | false | isVarargsArray | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
 | Test.java:55:4:55:4 | p | taint step\nrelated locations: $@, $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | Test.java:54:3:59:3 | walk(...) | CallContext | Test.java:55:4:55:4 | p | MethodDoc | Test.java:55:4:55:4 | p | ClassDoc | file://java.nio.file:1:1:1:1 | java.nio.file | package | file://Files:1:1:1:1 | Files | type | file://false:1:1:1:1 | false | subtypes | file://walk:1:1:1:1 | walk | name | file://(Path,FileVisitOption[]):1:1:1:1 | (Path,FileVisitOption[]) | signature | file://Argument[0]:1:1:1:1 | Argument[0] | input | file://:1:1:1:1 |  | output | file://false:1:1:1:1 | false | isVarargsArray | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |

java/ql/automodel/test/AutomodelFrameworkModeExtraction/AutomodelFrameworkModeExtractCandidates.expected

@@ -14,8 +14,6 @@
 | com/github/codeql/test/PublicInterface.java:4:22:4:31 | arg | Related locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | com/github/codeql/test/PublicInterface.java:4:22:4:31 | arg | MethodDoc | com/github/codeql/test/PublicInterface.java:4:22:4:31 | arg | ClassDoc | file://com.github.codeql.test:1:1:1:1 | com.github.codeql.test | package | file://PublicInterface:1:1:1:1 | PublicInterface | type | file://true:1:1:1:1 | true | subtypes | file://stuff:1:1:1:1 | stuff | name | file://(String):1:1:1:1 | (String) | signature | file://:1:1:1:1 |  | input | file://Parameter[0]:1:1:1:1 | Parameter[0] | output | file://arg:1:1:1:1 | arg | parameterName | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
 | com/github/codeql/test/PublicInterface.java:4:22:4:31 | arg | Related locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | com/github/codeql/test/PublicInterface.java:4:22:4:31 | arg | MethodDoc | com/github/codeql/test/PublicInterface.java:4:22:4:31 | arg | ClassDoc | file://com.github.codeql.test:1:1:1:1 | com.github.codeql.test | package | file://PublicInterface:1:1:1:1 | PublicInterface | type | file://true:1:1:1:1 | true | subtypes | file://stuff:1:1:1:1 | stuff | name | file://(String):1:1:1:1 | (String) | signature | file://Argument[0]:1:1:1:1 | Argument[0] | input | file://:1:1:1:1 |  | output | file://arg:1:1:1:1 | arg | parameterName | file://:1:1:1:1 |  | alreadyAiModeled | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
 | com/github/codeql/test/PublicInterface.java:6:36:6:45 | arg | Related locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | com/github/codeql/test/PublicInterface.java:6:36:6:45 | arg | MethodDoc | com/github/codeql/test/PublicInterface.java:6:36:6:45 | arg | ClassDoc | file://com.github.codeql.test:1:1:1:1 | com.github.codeql.test | package | file://PublicInterface:1:1:1:1 | PublicInterface | type | file://false:1:1:1:1 | false | subtypes | file://staticStuff:1:1:1:1 | staticStuff | name | file://(String):1:1:1:1 | (String) | signature | file://Argument[0]:1:1:1:1 | Argument[0] | input | file://:1:1:1:1 |  | output | file://arg:1:1:1:1 | arg | parameterName | file://:1:1:1:1 |  | alreadyAiModeled | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
-| java/io/File.java:4:16:4:24 | compareTo | Related locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:4:16:4:24 | compareTo | MethodDoc | java/io/File.java:4:16:4:24 | compareTo | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://:1:1:1:1 |  | input | file://Parameter[this]:1:1:1:1 | Parameter[this] | output | file://this:1:1:1:1 | this | parameterName | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
-| java/io/File.java:5:9:5:21 | pathname | Related locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:5:9:5:21 | pathname | MethodDoc | java/io/File.java:5:9:5:21 | pathname | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://:1:1:1:1 |  | input | file://Parameter[0]:1:1:1:1 | Parameter[0] | output | file://pathname:1:1:1:1 | pathname | parameterName | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
 | java/io/File.java:10:20:10:34 | setLastModified | Related locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:10:20:10:34 | setLastModified | MethodDoc | java/io/File.java:10:20:10:34 | setLastModified | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://setLastModified:1:1:1:1 | setLastModified | name | file://(long):1:1:1:1 | (long) | signature | file://:1:1:1:1 |  | input | file://Parameter[this]:1:1:1:1 | Parameter[this] | output | file://this:1:1:1:1 | this | parameterName | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
 | java/io/File.java:10:20:10:34 | setLastModified | Related locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:10:20:10:34 | setLastModified | MethodDoc | java/io/File.java:10:20:10:34 | setLastModified | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://setLastModified:1:1:1:1 | setLastModified | name | file://(long):1:1:1:1 | (long) | signature | file://Argument[this]:1:1:1:1 | Argument[this] | input | file://:1:1:1:1 |  | output | file://this:1:1:1:1 | this | parameterName | file://:1:1:1:1 |  | alreadyAiModeled | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
 | java/io/File.java:10:36:10:44 | time | Related locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:10:36:10:44 | time | MethodDoc | java/io/File.java:10:36:10:44 | time | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://setLastModified:1:1:1:1 | setLastModified | name | file://(long):1:1:1:1 | (long) | signature | file://:1:1:1:1 |  | input | file://Parameter[0]:1:1:1:1 | Parameter[0] | output | file://time:1:1:1:1 | time | parameterName | file://:1:1:1:1 |  | alreadyAiModeled | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |

java/ql/automodel/test/AutomodelFrameworkModeExtraction/AutomodelFrameworkModeExtractNegativeExamples.expected

@@ -1,2 +1,4 @@
-| java/io/File.java:4:16:4:24 | compareTo | known non-sink\nrelated locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:4:16:4:24 | compareTo | MethodDoc | java/io/File.java:4:16:4:24 | compareTo | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://Argument[this]:1:1:1:1 | Argument[this] | input | file://:1:1:1:1 |  | output | file://this:1:1:1:1 | this | parameterName | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
-| java/io/File.java:5:9:5:21 | pathname | known non-sink\nrelated locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:5:9:5:21 | pathname | MethodDoc | java/io/File.java:5:9:5:21 | pathname | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://Argument[0]:1:1:1:1 | Argument[0] | input | file://:1:1:1:1 |  | output | file://pathname:1:1:1:1 | pathname | parameterName | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
+| java/io/File.java:4:16:4:24 | compareTo | known non-endpoint\nrelated locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:4:16:4:24 | compareTo | MethodDoc | java/io/File.java:4:16:4:24 | compareTo | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://:1:1:1:1 |  | input | file://Parameter[this]:1:1:1:1 | Parameter[this] | output | file://this:1:1:1:1 | this | parameterName | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
+| java/io/File.java:4:16:4:24 | compareTo | known non-endpoint\nrelated locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:4:16:4:24 | compareTo | MethodDoc | java/io/File.java:4:16:4:24 | compareTo | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://Argument[this]:1:1:1:1 | Argument[this] | input | file://:1:1:1:1 |  | output | file://this:1:1:1:1 | this | parameterName | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |
+| java/io/File.java:5:9:5:21 | pathname | known non-endpoint\nrelated locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:5:9:5:21 | pathname | MethodDoc | java/io/File.java:5:9:5:21 | pathname | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://:1:1:1:1 |  | input | file://Parameter[0]:1:1:1:1 | Parameter[0] | output | file://pathname:1:1:1:1 | pathname | parameterName | file://sourceModel:1:1:1:1 | sourceModel | extensibleType |
+| java/io/File.java:5:9:5:21 | pathname | known non-endpoint\nrelated locations: $@, $@.\nmetadata: $@, $@, $@, $@, $@, $@, $@, $@, $@. | java/io/File.java:5:9:5:21 | pathname | MethodDoc | java/io/File.java:5:9:5:21 | pathname | ClassDoc | file://java.io:1:1:1:1 | java.io | package | file://File:1:1:1:1 | File | type | file://true:1:1:1:1 | true | subtypes | file://compareTo:1:1:1:1 | compareTo | name | file://(File):1:1:1:1 | (File) | signature | file://Argument[0]:1:1:1:1 | Argument[0] | input | file://:1:1:1:1 |  | output | file://pathname:1:1:1:1 | pathname | parameterName | file://sinkModel:1:1:1:1 | sinkModel | extensibleType |