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complete_from_stdlib.swift
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// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PLAIN_TOP_LEVEL_1 > %t.toplevel.txt
// RUN: %FileCheck %s -check-prefix=PLAIN_TOP_LEVEL < %t.toplevel.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.toplevel.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_1 > %t.members1.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_1 < %t.members1.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members1.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_2A > %t.members2a.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_2A < %t.members2a.txt
// RUN: %FileCheck %s -check-prefix=NEGATIVE_PRIVATE_NOMINAL_MEMBERS_2A < %t.members2a.txt
// FIXME: filter?
// RUN-disabled: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members2a.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_2B > %t.members2b.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_2B < %t.members2b.txt
// RUN: %FileCheck %s -check-prefix=NEGATIVE_PRIVATE_NOMINAL_MEMBERS_2B < %t.members2b.txt
// FIXME: filter?
// RUN-disabled: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members2b.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_3 > %t.members3.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_3 < %t.members3.txt
// RUN: %FileCheck %s -check-prefix=NEGATIVE_PRIVATE_NOMINAL_MEMBERS_3 < %t.members3.txt
// FIXME: filter?
// RUN-disabled: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members3.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_4 > %t.members4.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_4 < %t.members4.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members4.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_5 > %t.members5.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_5 < %t.members5.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members5.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_6 > %t.members6.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_6 < %t.members6.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members6.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_7 > %t.members7.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_7 < %t.members7.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members7.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_8 > %t.members8.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_8 < %t.members8.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members8.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_9 > %t.members9.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_9 < %t.members9.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members9.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=PRIVATE_NOMINAL_MEMBERS_10 > %t.members10.txt
// RUN: %FileCheck %s -check-prefix=PRIVATE_NOMINAL_MEMBERS_10 < %t.members10.txt
// RUN: %FileCheck %s -check-prefix=NO_STDLIB_PRIVATE < %t.members10.txt
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=RETURNS_DROPFIRST_SEQUENCE | %FileCheck %s -check-prefix=RETURNS_DROPFIRST_SEQUENCE
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=POSTFIX_INT_1 | %FileCheck %s -check-prefix=POSTFIX_RVALUE_INT
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=POSTFIX_INT_2 | %FileCheck %s -check-prefix=POSTFIX_LVALUE_INT
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=POSTFIX_OPTIONAL_1 | %FileCheck %s -check-prefix=POSTFIX_OPTIONAL
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=INFIX_INT_1 > %t
// RUN: %FileCheck %s -check-prefix=INFIX_INT < %t
// RUN: %FileCheck %s -check-prefix=NEGATIVE_INFIX_INT < %t
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=INFIX_INT_2 | %FileCheck %s -check-prefix=INFIX_LVALUE_INT
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=INFIX_STRING_1 | %FileCheck %s -check-prefix=INFIX_STRING
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=INFIX_EXT_STRING_1 | %FileCheck %s -check-prefix=INFIX_EXT_STRING
// RUN: %target-swift-ide-test -code-completion -source-filename %s -code-completion-token=CONFORM_SEQUENCE | %FileCheck %s -check-prefix=CONFORM_SEQUENCE
// NO_STDLIB_PRIVATE: Begin completions
// NO_STDLIB_PRIVATE: End completions
#^PLAIN_TOP_LEVEL_1^#
// PLAIN_TOP_LEVEL: Begin completions
// PLAIN_TOP_LEVEL-DAG: Decl[Struct]/OtherModule[Swift]: Array[#Array#]{{; name=.+$}}
// PLAIN_TOP_LEVEL: End completions
func privateNominalMembers(_ a: String) {
a.#^PRIVATE_NOMINAL_MEMBERS_1^#
}
// PRIVATE_NOMINAL_MEMBERS_1: Begin completions
// FIXME: we should show the qualified String.Index type.
// rdar://problem/20788802
// PRIVATE_NOMINAL_MEMBERS_1-DAG: Decl[InstanceVar]/CurrNominal: startIndex[#String.Index#]{{; name=.+$}}
// PRIVATE_NOMINAL_MEMBERS_1: End completions
func protocolExtCollection1a<C : Collection>(_ a: C) {
a.#^PRIVATE_NOMINAL_MEMBERS_2A^#
}
// PRIVATE_NOMINAL_MEMBERS_2A: Begin completions
// PRIVATE_NOMINAL_MEMBERS_2A-DAG: map({#(transform): (C.Element) throws -> T##(C.Element) throws -> T#})[' rethrows'][#[T]#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_2A: End completions
// NEGATIVE_PRIVATE_NOMINAL_MEMBERS_2A-NOT: Decl{{.*}}: index({#before: Comparable#})
func protocolExtCollection1b(_ a: Collection) {
a.#^PRIVATE_NOMINAL_MEMBERS_2B^#
}
// PRIVATE_NOMINAL_MEMBERS_2B: Begin completions
// PRIVATE_NOMINAL_MEMBERS_2B-DAG: map({#(transform): (Collection.Element) throws -> T##(Collection.Element) throws -> T#})[' rethrows'][#[T]#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_2B: End completions
// NEGATIVE_PRIVATE_NOMINAL_MEMBERS_2B-NOT: Decl{{.*}}: index({#before: Comparable#})
func protocolExtCollection2<C : Collection where C.Index : BidirectionalIndex>(_ a: C) {
a.#^PRIVATE_NOMINAL_MEMBERS_3^#
}
// PRIVATE_NOMINAL_MEMBERS_3: Begin completions
// PRIVATE_NOMINAL_MEMBERS_3-DAG: Decl[InstanceMethod]/Super: map({#(transform): (C.Element) throws -> T##(C.Element) throws -> T#})[' rethrows'][#[T]#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_3-DAG: Decl[InstanceVar]/Super: lazy[#LazySequence<Collection>#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_3-DAG: firstIndex({#where: (C.Element) throws -> Bool##(C.Element) throws -> Bool#})[' rethrows'][#Comparable?#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_3: End completions
// NEGATIVE_PRIVATE_NOMINAL_MEMBERS_3-NOT: Decl{{.*}}: firstIndex({#({{.*}}): Self.Iterator.Element
func protocolExtArray<T : Equatable>(_ a: [T]) {
a.#^PRIVATE_NOMINAL_MEMBERS_4^#
}
// PRIVATE_NOMINAL_MEMBERS_4: Begin completions
// PRIVATE_NOMINAL_MEMBERS_4-DAG: Decl[InstanceMethod]/Super: map({#(transform): (Equatable) throws -> T##(Equatable) throws -> T#})[' rethrows'][#[T]#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_4-DAG: Decl[InstanceVar]/Super: last[#Equatable?#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_4-DAG: Decl[InstanceMethod]/Super: firstIndex({#of: Equatable#})[#Int?#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_4-DAG: Decl[InstanceMethod]/Super: firstIndex({#where: (Equatable) throws -> Bool##(Equatable) throws -> Bool#})[' rethrows'][#Int?#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_4: End completions
func testArchetypeReplacement1<FOO : Equatable>(_ a: [FOO]) {
a.#^PRIVATE_NOMINAL_MEMBERS_5^#
}
// PRIVATE_NOMINAL_MEMBERS_5: Begin completions
// PRIVATE_NOMINAL_MEMBERS_5-DAG: Decl[InstanceMethod]/CurrNominal: append({#(newElement): Equatable#})[#Void#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_5-DAG: Decl[InstanceMethod]/CurrNominal: insert({#(newElement): Equatable#}, {#at: Int#})[#Void#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_5-DAG: Decl[InstanceVar]/Super: isEmpty[#Bool#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_5-DAG: Decl[InstanceVar]/Super: first[#Equatable?#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_5-DAG: Decl[InstanceMethod]/Super: dropFirst({#(k): Int#})[#ArraySlice<Equatable>#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_5-DAG: Decl[InstanceMethod]/Super: dropLast({#(k): Int#})[#ArraySlice<Equatable>#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_5-DAG: Decl[InstanceMethod]/Super: prefix({#(maxLength): Int#})[#ArraySlice<Equatable>#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_5-DAG: Decl[InstanceMethod]/Super: suffix({#(maxLength): Int#})[#ArraySlice<Equatable>#]{{; name=.+}}
func testArchetypeReplacement2<BAR : Equatable>(_ a: [BAR]) {
a.#^PRIVATE_NOMINAL_MEMBERS_6^#
}
// PRIVATE_NOMINAL_MEMBERS_6: Begin completions
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/CurrNominal: append({#(newElement): Equatable#})[#Void#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/CurrNominal: insert({#(newElement): Equatable#}, {#at: Int#})[#Void#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super: dropFirst()[#ArraySlice<Equatable>#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super: dropLast()[#[Equatable]#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super: enumerated()[#EnumeratedSequence<[Equatable]>#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super: min({#by: (Equatable, Equatable) throws -> Bool##(Equatable, Equatable) throws -> Bool#})[' rethrows'][#Equatable?#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super: max({#by: (Equatable, Equatable) throws -> Bool##(Equatable, Equatable) throws -> Bool#})[' rethrows'][#Equatable?#]{{; name=.+}}
// FIXME: The following should include 'partialResult' as local parameter name: "(nextPartialResult): (_ partialResult: Result, Equatable)"
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super: reduce({#(initialResult): Result#}, {#(nextPartialResult): (Result, Equatable) throws -> Result##(Result, Equatable) throws -> Result#})[' rethrows'][#Result#]{{; name=.+}}
// PRIVATE_NOMINAL_MEMBERS_6-DAG: Decl[InstanceMethod]/Super: dropFirst({#(k): Int#})[#ArraySlice<Equatable>#]{{; name=.+}}
// FIXME: restore Decl[InstanceMethod]/Super: flatMap({#(transform): (Equatable) throws -> Sequence##(Equatable) throws -> Sequence#})[' rethrows'][#[IteratorProtocol.Element]#]{{; name=.+}}
func testArchetypeReplacement3 (_ a : [Int]) {
a.#^PRIVATE_NOMINAL_MEMBERS_7^#
}
// PRIVATE_NOMINAL_MEMBERS_7: Begin completions
// PRIVATE_NOMINAL_MEMBERS_7-DAG: Decl[InstanceMethod]/CurrNominal: append({#(newElement): Int#})[#Void#]
// PRIVATE_NOMINAL_MEMBERS_7-DAG: Decl[InstanceMethod]/Super: removeLast()[#Int#]
// PRIVATE_NOMINAL_MEMBERS_7-DAG: Decl[InstanceVar]/Super: first[#Int?#]
// PRIVATE_NOMINAL_MEMBERS_7-DAG: Decl[InstanceMethod]/Super: map({#(transform): (Int) throws -> T##(Int) throws -> T#})[' rethrows'][#[T]#]
// PRIVATE_NOMINAL_MEMBERS_7-DAG: Decl[InstanceMethod]/Super: dropLast({#(k): Int#})[#ArraySlice<Int>#]
// PRIVATE_NOMINAL_MEMBERS_7-DAG: Decl[InstanceMethod]/Super: elementsEqual({#(other): Sequence#}, {#by: (Int, Sequence.Element) throws -> Bool##(Int, Sequence.Element) throws -> Bool#})[' rethrows'][#Bool#]; name=elementsEqual(other: Sequence, by: (Int, Sequence.Element) throws -> Bool) rethrows
// PRIVATE_NOMINAL_MEMBERS_7-DAG: Decl[InstanceMethod]/Super: elementsEqual({#(other): Sequence#})[#Bool#]; name=elementsEqual(other: Sequence)
protocol P2 {
associatedtype MyElement
}
extension P2 {
func foo(_ x: MyElement) {}
}
typealias MyInt = Int
class MyClass1 : P2 {
typealias MyElement = MyInt
}
class MyClass2 : P2 {
typealias MyElement = Int
}
protocol P1{}
class MyClass3 {
func foo<T: P1 & P2>(_ t : T) {}
}
func testArchetypeReplacement4(_ a : MyClass1) {
a.#^PRIVATE_NOMINAL_MEMBERS_8^#
}
// PRIVATE_NOMINAL_MEMBERS_8: Begin completions
// PRIVATE_NOMINAL_MEMBERS_8-DAG: Decl[InstanceMethod]/Super: foo({#(x): MyInt#})[#Void#]{{; name=.+}}
func testArchetypeReplacement5(_ a : MyClass2) {
a.#^PRIVATE_NOMINAL_MEMBERS_9^#
}
// PRIVATE_NOMINAL_MEMBERS_9: Begin completions
// PRIVATE_NOMINAL_MEMBERS_9-DAG: Decl[InstanceMethod]/Super: foo({#(x): Int#})[#Void#]{{; name=.+}}
func testArchetypeReplacement6() {
var a = MyClass3()
a.#^PRIVATE_NOMINAL_MEMBERS_10^#
}
// PRIVATE_NOMINAL_MEMBERS_10: Begin completions
// PRIVATE_NOMINAL_MEMBERS_10-DAG: Decl[InstanceMethod]/CurrNominal: foo({#(t): P1 & P2#})[#Void#]{{; name=.+}}
// rdar://problem/22334700
struct Test1000 : Sequence {
func #^RETURNS_DROPFIRST_SEQUENCE^#
}
// RETURNS_DROPFIRST_SEQUENCE: Decl[InstanceMethod]/Super: dropFirst(_ k: Int = 1) -> DropFirstSequence<Test1000>
func testPostfixOperator1(_ x: Int) {
x#^POSTFIX_INT_1^#
}
// POSTFIX_RVALUE_INT-NOT: ++
// POSTFIX_RVALUE_INT-NOT: --
func testPostfixOperator2(_ x: inout Int) {
x#^POSTFIX_INT_2^#
}
// POSTFIX_LVALUE_INT-NOT: Decl[PostfixOperatorFunction]/OtherModule[Swift]: ++[#Int#]; name=
// POSTFIX_LVALUE_INT-NOT: Decl[PostfixOperatorFunction]/OtherModule[Swift]: --[#Int#]; name=
func testPostfixOperator3(_ x: MyInt??) {
x#^POSTFIX_OPTIONAL_1^#
}
// POSTFIX_OPTIONAL: BuiltinOperator/None: ![#MyInt?#]; name=!
func testInfixOperator1(_ x: Int) {
x#^INFIX_INT_1^#
}
// INFIX_INT: Begin completions
// INFIX_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: ... {#Int#}[#ClosedRange<Int>#]
// INFIX_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: &+ {#Int#}[#Int#]
// INFIX_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: + {#Int#}[#Int#]
// INFIX_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: &<< {#Int#}[#Int#]
// INFIX_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: < {#Int#}[#Bool#]
// INFIX_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: == {#Int#}[#Bool#]
// INFIX_INT: End completions
// NEGATIVE_INFIX_INT-NOT: &&
// NEGATIVE_INFIX_INT-NOT: +=
func testInfixOperator2(_ x: inout Int) {
x#^INFIX_INT_2^#
}
// INFIX_LVALUE_INT: Begin completions
// INFIX_LVALUE_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: ... {#Int#}[#ClosedRange<Int>#]
// INFIX_LVALUE_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: &+ {#Int#}[#Int#]
// INFIX_LVALUE_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: + {#Int#}[#Int#]
// INFIX_LVALUE_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: &<< {#Int#}[#Int#]
// INFIX_LVALUE_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: < {#Int#}[#Bool#]
// INFIX_LVALUE_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: == {#Int#}[#Bool#]
// INFIX_LVALUE_INT-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: += {#Int#}[#Void#]
// INFIX_LVALUE_INT-NOT: &&
// INFIX_LVALUE_INT: End completions
func testInfixOperator3(_ x: String) {
x#^INFIX_STRING_1^#
}
// INFIX_STRING: Begin completions
// INFIX_STRING-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: + {#String#}[#String#]
// INFIX_STRING-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: == {#String#}[#Bool#]
// INFIX_STRING-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: < {#String#}[#Bool#]
// INFIX_STRING-NOT: +=
// INFIX_STRING-NOT: <<
// INFIX_STRING: End completions
func testInfixOperator4(_ x: String) {
x == ""#^INFIX_EXT_STRING_1^#
}
// INFIX_EXT_STRING: Begin completions
// INFIX_EXT_STRING-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: + {#String#}[#String#]
// INFIX_EXT_STRING-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: || {#Bool#}[#Bool#]
// INFIX_EXT_STRING-DAG: Decl[InfixOperatorFunction]/OtherModule[Swift]: && {#Bool#}[#Bool#]
// INFIX_EXT_STRING-NOT: ==
// INFIX_EXT_STRING: End completions
class TestSequence : Sequence {
#^CONFORM_SEQUENCE^#
// CONFORM_SEQUENCE: Begin completions
// CONFORM_SEQUENCE-DAG: Decl[AssociatedType]/Super: typealias Element = {#(Type)#};
// CONFORM_SEQUENCE-DAG: Decl[AssociatedType]/Super: typealias Iterator = {#(Type)#};
// CONFORM_SEQUENCE-DAG: Decl[InstanceMethod]/Super: func makeIterator() -> some IteratorProtocol {|};
// CONFORM_SEQUENCE-DAG: Decl[InstanceVar]/Super: var underestimatedCount: Int;
// CONFORM_SEQUENCE-DAG: Decl[InstanceMethod]/Super: func withContiguousStorageIfAvailable<R>(_ body: (UnsafeBufferPointer<Element>) throws -> R) rethrows -> R? {|};
// CONFORM_SEQUENCE: End completions
}