File: spreadsAndContextualTupleTypes.types

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=== tests/cases/compiler/spreadsAndContextualTupleTypes.ts ===
declare function fx1<T extends [string, string, string, 'a' | 'b']>(x: T): T;
>fx1 : <T extends [string, string, string, "a" | "b"]>(x: T) => T
>x : T

declare function fx2<T extends [...string[], 'a' | 'b']>(x: T): T;
>fx2 : <T extends [...string[], "a" | "b"]>(x: T) => T
>x : T

const t3 = ['x', 'y', 'z'] as const;
>t3 : readonly ["x", "y", "z"]
>['x', 'y', 'z'] as const : readonly ["x", "y", "z"]
>['x', 'y', 'z'] : readonly ["x", "y", "z"]
>'x' : "x"
>'y' : "y"
>'z' : "z"

fx1(['x', 'y', 'z', 'a']);
>fx1(['x', 'y', 'z', 'a']) : [string, string, string, "a"]
>fx1 : <T extends [string, string, string, "a" | "b"]>(x: T) => T
>['x', 'y', 'z', 'a'] : [string, string, string, "a"]
>'x' : "x"
>'y' : "y"
>'z' : "z"
>'a' : "a"

fx1([...t3, 'a']);
>fx1([...t3, 'a']) : ["x", "y", "z", "a"]
>fx1 : <T extends [string, string, string, "a" | "b"]>(x: T) => T
>[...t3, 'a'] : ["x", "y", "z", "a"]
>...t3 : "x" | "y" | "z"
>t3 : readonly ["x", "y", "z"]
>'a' : "a"

fx2(['x', 'y', 'z', 'a']);
>fx2(['x', 'y', 'z', 'a']) : ["x", "y", "z", "a"]
>fx2 : <T extends [...string[], "a" | "b"]>(x: T) => T
>['x', 'y', 'z', 'a'] : ["x", "y", "z", "a"]
>'x' : "x"
>'y' : "y"
>'z' : "z"
>'a' : "a"

fx2([...t3, 'a']);
>fx2([...t3, 'a']) : ["x", "y", "z", "a"]
>fx2 : <T extends [...string[], "a" | "b"]>(x: T) => T
>[...t3, 'a'] : ["x", "y", "z", "a"]
>...t3 : "x" | "y" | "z"
>t3 : readonly ["x", "y", "z"]
>'a' : "a"

const x1: [...string[], '!'] = ['!'];
>x1 : [...string[], "!"]
>['!'] : ["!"]
>'!' : "!"

const x2: [...string[], '!'] = ['a', '!'];
>x2 : [...string[], "!"]
>['a', '!'] : ["a", "!"]
>'a' : "a"
>'!' : "!"

const x3: [...string[], '!'] = [...t3, '!'];
>x3 : [...string[], "!"]
>[...t3, '!'] : ["x", "y", "z", "!"]
>...t3 : "x" | "y" | "z"
>t3 : readonly ["x", "y", "z"]
>'!' : "!"

// Repro from #52684

const staticPath1Level = ["home"] as const;
>staticPath1Level : readonly ["home"]
>["home"] as const : readonly ["home"]
>["home"] : readonly ["home"]
>"home" : "home"

const staticPath2Level = ["home", "user"] as const;
>staticPath2Level : readonly ["home", "user"]
>["home", "user"] as const : readonly ["home", "user"]
>["home", "user"] : readonly ["home", "user"]
>"home" : "home"
>"user" : "user"

const staticPath3Level = ["home", "user", "downloads"] as const;
>staticPath3Level : readonly ["home", "user", "downloads"]
>["home", "user", "downloads"] as const : readonly ["home", "user", "downloads"]
>["home", "user", "downloads"] : readonly ["home", "user", "downloads"]
>"home" : "home"
>"user" : "user"
>"downloads" : "downloads"

const randomID = 'id' as string;
>randomID : string
>'id' as string : string
>'id' : "id"

declare function foo<const T>(path: T): T;
>foo : <const T>(path: T) => T
>path : T

const a1 = foo([...staticPath1Level, randomID, 'doc.pdf']);
>a1 : readonly ["home", string, "doc.pdf"]
>foo([...staticPath1Level, randomID, 'doc.pdf']) : readonly ["home", string, "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath1Level, randomID, 'doc.pdf'] : ["home", string, "doc.pdf"]
>...staticPath1Level : "home"
>staticPath1Level : readonly ["home"]
>randomID : string
>'doc.pdf' : "doc.pdf"

const a2 = foo([...staticPath2Level, randomID, 'doc.pdf']);
>a2 : readonly ["home", "user", string, "doc.pdf"]
>foo([...staticPath2Level, randomID, 'doc.pdf']) : readonly ["home", "user", string, "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath2Level, randomID, 'doc.pdf'] : ["home", "user", string, "doc.pdf"]
>...staticPath2Level : "home" | "user"
>staticPath2Level : readonly ["home", "user"]
>randomID : string
>'doc.pdf' : "doc.pdf"

const a3 = foo([...staticPath3Level, randomID, 'doc.pdf']);
>a3 : readonly ["home", "user", "downloads", string, "doc.pdf"]
>foo([...staticPath3Level, randomID, 'doc.pdf']) : readonly ["home", "user", "downloads", string, "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath3Level, randomID, 'doc.pdf'] : ["home", "user", "downloads", string, "doc.pdf"]
>...staticPath3Level : "home" | "user" | "downloads"
>staticPath3Level : readonly ["home", "user", "downloads"]
>randomID : string
>'doc.pdf' : "doc.pdf"

const b1 = foo([...staticPath1Level, randomID, 'folder', 'doc.pdf']);
>b1 : readonly ["home", string, "folder", "doc.pdf"]
>foo([...staticPath1Level, randomID, 'folder', 'doc.pdf']) : readonly ["home", string, "folder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath1Level, randomID, 'folder', 'doc.pdf'] : ["home", string, "folder", "doc.pdf"]
>...staticPath1Level : "home"
>staticPath1Level : readonly ["home"]
>randomID : string
>'folder' : "folder"
>'doc.pdf' : "doc.pdf"

const b2 = foo([...staticPath2Level, randomID, 'folder', 'doc.pdf']);
>b2 : readonly ["home", "user", string, "folder", "doc.pdf"]
>foo([...staticPath2Level, randomID, 'folder', 'doc.pdf']) : readonly ["home", "user", string, "folder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath2Level, randomID, 'folder', 'doc.pdf'] : ["home", "user", string, "folder", "doc.pdf"]
>...staticPath2Level : "home" | "user"
>staticPath2Level : readonly ["home", "user"]
>randomID : string
>'folder' : "folder"
>'doc.pdf' : "doc.pdf"

const b3 = foo([...staticPath3Level, randomID, 'folder', 'doc.pdf']);
>b3 : readonly ["home", "user", "downloads", string, "folder", "doc.pdf"]
>foo([...staticPath3Level, randomID, 'folder', 'doc.pdf']) : readonly ["home", "user", "downloads", string, "folder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath3Level, randomID, 'folder', 'doc.pdf'] : ["home", "user", "downloads", string, "folder", "doc.pdf"]
>...staticPath3Level : "home" | "user" | "downloads"
>staticPath3Level : readonly ["home", "user", "downloads"]
>randomID : string
>'folder' : "folder"
>'doc.pdf' : "doc.pdf"

const c1 = foo([...staticPath1Level, randomID, 'folder', 'subfolder', 'doc.pdf']);
>c1 : readonly ["home", string, "folder", "subfolder", "doc.pdf"]
>foo([...staticPath1Level, randomID, 'folder', 'subfolder', 'doc.pdf']) : readonly ["home", string, "folder", "subfolder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath1Level, randomID, 'folder', 'subfolder', 'doc.pdf'] : ["home", string, "folder", "subfolder", "doc.pdf"]
>...staticPath1Level : "home"
>staticPath1Level : readonly ["home"]
>randomID : string
>'folder' : "folder"
>'subfolder' : "subfolder"
>'doc.pdf' : "doc.pdf"

const c2 = foo([...staticPath2Level, randomID, 'folder', 'subfolder', 'doc.pdf']);
>c2 : readonly ["home", "user", string, "folder", "subfolder", "doc.pdf"]
>foo([...staticPath2Level, randomID, 'folder', 'subfolder', 'doc.pdf']) : readonly ["home", "user", string, "folder", "subfolder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath2Level, randomID, 'folder', 'subfolder', 'doc.pdf'] : ["home", "user", string, "folder", "subfolder", "doc.pdf"]
>...staticPath2Level : "home" | "user"
>staticPath2Level : readonly ["home", "user"]
>randomID : string
>'folder' : "folder"
>'subfolder' : "subfolder"
>'doc.pdf' : "doc.pdf"

const c3 = foo([...staticPath3Level, randomID, 'folder', 'subfolder', 'doc.pdf']);
>c3 : readonly ["home", "user", "downloads", string, "folder", "subfolder", "doc.pdf"]
>foo([...staticPath3Level, randomID, 'folder', 'subfolder', 'doc.pdf']) : readonly ["home", "user", "downloads", string, "folder", "subfolder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath3Level, randomID, 'folder', 'subfolder', 'doc.pdf'] : ["home", "user", "downloads", string, "folder", "subfolder", "doc.pdf"]
>...staticPath3Level : "home" | "user" | "downloads"
>staticPath3Level : readonly ["home", "user", "downloads"]
>randomID : string
>'folder' : "folder"
>'subfolder' : "subfolder"
>'doc.pdf' : "doc.pdf"

const d1 = foo([...staticPath1Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf']);
>d1 : readonly ["home", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>foo([...staticPath1Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf']) : readonly ["home", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath1Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf'] : ["home", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>...staticPath1Level : "home"
>staticPath1Level : readonly ["home"]
>randomID : string
>'folder' : "folder"
>'subfolder' : "subfolder"
>'another-subfolder' : "another-subfolder"
>'doc.pdf' : "doc.pdf"

const d2 = foo([...staticPath2Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf']);
>d2 : readonly ["home", "user", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>foo([...staticPath2Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf']) : readonly ["home", "user", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath2Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf'] : ["home", "user", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>...staticPath2Level : "home" | "user"
>staticPath2Level : readonly ["home", "user"]
>randomID : string
>'folder' : "folder"
>'subfolder' : "subfolder"
>'another-subfolder' : "another-subfolder"
>'doc.pdf' : "doc.pdf"

const d3 = foo([...staticPath3Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf']);
>d3 : readonly ["home", "user", "downloads", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>foo([...staticPath3Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf']) : readonly ["home", "user", "downloads", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>foo : <const T>(path: T) => T
>[...staticPath3Level, randomID, 'folder', 'subfolder', 'another-subfolder', 'doc.pdf'] : ["home", "user", "downloads", string, "folder", "subfolder", "another-subfolder", "doc.pdf"]
>...staticPath3Level : "home" | "user" | "downloads"
>staticPath3Level : readonly ["home", "user", "downloads"]
>randomID : string
>'folder' : "folder"
>'subfolder' : "subfolder"
>'another-subfolder' : "another-subfolder"
>'doc.pdf' : "doc.pdf"