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filterTo

inline fun <T, C : MutableCollection<in T>> Sequence<T>.filterTo(
    destination: C, 
    predicate: (T) -> Boolean
): C

Appends all elements matching the given predicate to the given destination.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.sequences/filter-to.html