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keys

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0)
open val keys: Set<K>

Returns a read-only Set of all keys in this map.

Accessing this property first time creates a keys view from entries. All subsequent accesses just return the created instance.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-abstract-map/keys.html