// RUN_PIPELINE_TILL: FRONTEND
// WITH_STDLIB
// SKIP_TXT
// DIAGNOSTICS: -CAST_NEVER_SUCCEEDS -UNCHECKED_CAST -UNUSED_PARAMETER -UNUSED_VARIABLE -OPT_IN_USAGE_ERROR -UNUSED_EXPRESSION

import kotlin.experimental.ExperimentalTypeInference

fun <K> FlowCollector<K>.bar(): K = null as K
fun <K> FlowCollector<K>.foo(): K = null as K

fun <K> K.bar3(): K = null as K
fun <K> K.foo3(): K = null as K

fun bar2(): Int = 1
fun foo2(): Float = 1f

val bar4: Int
    get() = 1

var foo4: Float
    get() = 1f
    set(value) {}

val <K> FlowCollector<K>.bar5: K get() = null as K
val <K> FlowCollector<K>.foo5: K get() = null as K

class Foo6

class Foo7<T>
fun foo7() = null as Foo7<Int>

interface FlowCollector<in T> {}

fun <L> flow(block: suspend FlowCollector<L>.() -> Unit) = Flow(block)

class Flow<out R>(private val block: suspend FlowCollector<R>.() -> Unit)


fun poll7(): Flow<String> {
    return flow {
        val inv = ::bar<!NOT_NULL_ASSERTION_ON_CALLABLE_REFERENCE!>!!<!>
        inv()
    }
}

fun poll71(): Flow<String> {
    return flow {
        val inv = ::bar2<!NOT_NULL_ASSERTION_ON_CALLABLE_REFERENCE!>!!<!>
        inv()
    }
}

fun poll72(): Flow<String> {
    return flow {
        val inv = ::bar3<!NOT_NULL_ASSERTION_ON_CALLABLE_REFERENCE!>!!<!>
        inv()
    }
}

fun poll73(): Flow<String> {
    return flow {
        val inv = ::bar4<!NOT_NULL_ASSERTION_ON_CALLABLE_REFERENCE!>!!<!>
        inv
    }
}

fun poll74(): Flow<String> {
    return flow {
        val inv = ::bar5<!NOT_NULL_ASSERTION_ON_CALLABLE_REFERENCE!>!!<!>
        inv
    }
}

fun poll75(): Flow<String> {
    return flow {
        val inv = ::Foo6<!NOT_NULL_ASSERTION_ON_CALLABLE_REFERENCE!>!!<!>
        inv
    }
}

fun poll76(): Flow<String> {
    return flow {
        val inv = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>::Foo7<!><!NOT_NULL_ASSERTION_ON_CALLABLE_REFERENCE!>!!<!>
        <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>inv<!>
    }
}

/* GENERATED_FIR_TAGS: asExpression, callableReference, checkNotNullCall, classDeclaration, funWithExtensionReceiver,
functionDeclaration, functionalType, getter, in, integerLiteral, interfaceDeclaration, lambdaLiteral, localProperty,
nullableType, out, primaryConstructor, propertyDeclaration, propertyWithExtensionReceiver, setter, suspend,
typeParameter, typeWithExtension */
