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package io.grpc;
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import org.checkerframework.checker.nullness.qual.Nullable;
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class Context {
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static <T> Key<@Nullable T> key(String name);
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static <T> Key<T> keyWithDefault(String name, T defaultValue);
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class Key<T> {
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T get(Context context);
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T get();
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}
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}
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