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class ContextualKeywordsTests // See JLS, §3.9 Keywords.
{
private ContextualKeywordsTests() { throw new Error(); }
// ModuleDeclaration: module open.
void module() { Object module = null; when(); }
void open() { Object open = null; module(); }
// ModuleDirective: exports opens provides requires to uses with.
void exports() { Object exports = null; open(); }
void opens() { Object opens = null; exports(); }
void provides() { Object provides = null; opens(); }
void requires() { Object requires = null; provides(); }
void to() { Object to = null; requires(); }
void uses() { Object uses = null; to(); }
void with() { Object with = null; uses(); }
// RequiresModifier: transitive.
void transitive() { Object transitive = null; with(); }
// LocalVariableType | LambdaParameterType: var.
void var() { var var = new Object(); transitive(); }
// YieldStatement: yield (see java_switch.java).
void yield() { Object yield = null; var(); }
// RecordDeclaration: record.
void record() { Object record = null; this.yield(); }
// Normal{Class,Interface}Declaration: non-sealed permits sealed.
void permits() { Object permits = null; record(); }
void sealed() { Object sealed = null; permits(); }
// Guard: when (see java_switch.java).
void when() { Object when = null; sealed(); }
sealed interface I1 permits C1, I3 { }
sealed interface I2 permits C1, I3 { }
non-sealed interface I3 extends I1, I2 { }
interface I4 extends I3 { }
abstract sealed class C1 implements I1, I2 permits C2, C3 { }
abstract non-sealed class C2 extends C1 { }
final class C3 extends C1 implements I3 { }
class C4 extends C2 { }
record R() implements I3 { }
enum E implements I3 { INSTANCE }
static <T> I<T> i1() { return (var var) -> var; }
static <T> I<T> i2() { return (T var) -> var; }
static <T> I<T> i3() { return (var) -> var; }
static <T> I<T> i4() { return var -> var; }
interface I<T> { T i(T i); default I<T> self() { return this; } }
}
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