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Add regression test
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‎tests/baselines/reference/homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.symbols

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//// [tests/cases/compiler/homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts] ////
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=== homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts ===
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type HandleOptions<O> = {
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>HandleOptions : Symbol(HandleOptions, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 0, 0))
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>O : Symbol(O, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 0, 19))
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[I in keyof O]: {
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>I : Symbol(I, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 1, 5))
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>O : Symbol(O, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 0, 19))
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value: O[I];
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>value : Symbol(value, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 1, 21))
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>O : Symbol(O, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 0, 19))
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>I : Symbol(I, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 1, 5))
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};
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};
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declare function func1<
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>func1 : Symbol(func1, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 4, 2))
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T extends Record<PropertyKey, readonly any[]>,
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>T : Symbol(T, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 6, 23))
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>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
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>PropertyKey : Symbol(PropertyKey, Decl(lib.es5.d.ts, --, --))
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>(fields: {
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>fields : Symbol(fields, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 8, 2))
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[K in keyof T]: {
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>K : Symbol(K, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 9, 5))
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>T : Symbol(T, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 6, 23))
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label: string;
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>label : Symbol(label, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 9, 21))
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options: [...HandleOptions<T[K]>];
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>options : Symbol(options, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 10, 22))
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>HandleOptions : Symbol(HandleOptions, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 0, 0))
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>T : Symbol(T, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 6, 23))
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>K : Symbol(K, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 9, 5))
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};
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}): T;
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>T : Symbol(T, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 6, 23))
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const result = func1({
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>result : Symbol(result, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 15, 5))
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>func1 : Symbol(func1, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 4, 2))
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prop: {
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>prop : Symbol(prop, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 15, 22))
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label: "first",
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>label : Symbol(label, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 16, 11))
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options: [
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>options : Symbol(options, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 17, 23))
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{
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value: 123,
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>value : Symbol(value, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 19, 13))
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},
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{
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value: "foo",
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>value : Symbol(value, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 22, 13))
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},
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],
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},
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other: {
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>other : Symbol(other, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 26, 6))
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label: "second",
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>label : Symbol(label, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 27, 12))
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options: [
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>options : Symbol(options, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 28, 24))
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{
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value: "bar",
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>value : Symbol(value, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 30, 13))
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},
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{
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value: true,
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>value : Symbol(value, Decl(homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts, 33, 13))
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},
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],
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},
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});
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‎tests/baselines/reference/homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.types

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//// [tests/cases/compiler/homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts] ////
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=== homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts ===
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type HandleOptions<O> = {
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>HandleOptions : HandleOptions<O>
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[I in keyof O]: {
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value: O[I];
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>value : O[I]
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};
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};
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declare function func1<
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>func1 : <T extends Record<PropertyKey, readonly any[]>>(fields: { [K in keyof T]: { label: string; options: [...HandleOptions<T[K]>]; }; }) => T
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T extends Record<PropertyKey, readonly any[]>,
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>(fields: {
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>fields : { [K in keyof T]: { label: string; options: [...HandleOptions<T[K]>]; }; }
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[K in keyof T]: {
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label: string;
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>label : string
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options: [...HandleOptions<T[K]>];
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>options : [...HandleOptions<T[K]>]
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};
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}): T;
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const result = func1({
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>result : { prop: [number, string]; other: [string, boolean]; }
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>func1({ prop: { label: "first", options: [ { value: 123, }, { value: "foo", }, ], }, other: { label: "second", options: [ { value: "bar", }, { value: true, }, ], },}) : { prop: [number, string]; other: [string, boolean]; }
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>func1 : <T extends Record<PropertyKey, readonly any[]>>(fields: { [K in keyof T]: { label: string; options: [...HandleOptions<T[K]>]; }; }) => T
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>{ prop: { label: "first", options: [ { value: 123, }, { value: "foo", }, ], }, other: { label: "second", options: [ { value: "bar", }, { value: true, }, ], },} : { prop: { label: string; options: [{ value: number; }, { value: string; }]; }; other: { label: string; options: [{ value: string; }, { value: true; }]; }; }
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prop: {
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>prop : { label: string; options: [{ value: number; }, { value: string; }]; }
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>{ label: "first", options: [ { value: 123, }, { value: "foo", }, ], } : { label: string; options: [{ value: number; }, { value: string; }]; }
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label: "first",
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>label : string
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>"first" : "first"
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options: [
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>options : [{ value: number; }, { value: string; }]
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>[ { value: 123, }, { value: "foo", }, ] : [{ value: number; }, { value: string; }]
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{
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>{ value: 123, } : { value: number; }
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value: 123,
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>value : number
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>123 : 123
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},
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{
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>{ value: "foo", } : { value: string; }
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value: "foo",
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>value : string
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>"foo" : "foo"
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},
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],
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},
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other: {
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>other : { label: string; options: [{ value: string; }, { value: true; }]; }
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>{ label: "second", options: [ { value: "bar", }, { value: true, }, ], } : { label: string; options: [{ value: string; }, { value: true; }]; }
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label: "second",
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>label : string
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>"second" : "second"
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options: [
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>options : [{ value: string; }, { value: true; }]
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>[ { value: "bar", }, { value: true, }, ] : [{ value: string; }, { value: true; }]
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{
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>{ value: "bar", } : { value: string; }
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value: "bar",
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>value : string
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>"bar" : "bar"
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},
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{
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>{ value: true, } : { value: true; }
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value: true,
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>value : true
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>true : true
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},
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],
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},
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});
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‎tests/cases/compiler/homomorphicMappedTypeWithNonHomomorphicInstantiationSpreadable1.ts

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// @strict: true
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// @noEmit: true
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type HandleOptions<O> = {
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[I in keyof O]: {
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value: O[I];
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};
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};
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declare function func1<
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T extends Record<PropertyKey, readonly any[]>,
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>(fields: {
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[K in keyof T]: {
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label: string;
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options: [...HandleOptions<T[K]>];
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};
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}): T;
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const result = func1({
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prop: {
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label: "first",
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options: [
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{
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value: 123,
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},
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{
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value: "foo",
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},
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],
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},
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other: {
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label: "second",
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options: [
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{
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value: "bar",
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},
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{
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value: true,
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},
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],
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},
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});

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