Add linter rule to encourage usage of UDTs

src/Bicep.Core.Samples/Files/baselines/Dependencies_LF/main.diagnostics.bicep

@@ -67,4 +67,5 @@ resource resE 'My.Rp/myResourceType/childType@2020-01-01' = {
 }
 
 output resourceCProperties object = resC.properties
+//@[27:33) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |object|
 

src/Bicep.Core.Samples/Files/baselines/Functions_LF/main.diagnostics.bicep

@@ -5,16 +5,20 @@ output foo string = buildUrl(true, 'google.com', 'search')
 func sayHello(name string) string => 'Hi ${name}!'
 
 output hellos array = map(['Evie', 'Casper'], name => sayHello(name))
+//@[14:19) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 
 func objReturnType(name string) object => {
+//@[32:38) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |object|
   hello: 'Hi ${name}!'
 }
 
 func arrayReturnType(name string) array => [
+//@[34:39) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
   name
 ]
 
 func asdf(name string) array => [
+//@[23:28) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
   'asdf'
   name
 ]
@@ -25,13 +29,18 @@ type positiveInt = int
 func typedArg(input string[]) positiveInt => length(input)
 
 func barTest() array => ['abc', 'def']
+//@[15:20) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 func fooTest() array => map(barTest(), a => 'Hello ${a}!')
+//@[15:20) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 
 output fooValue array = fooTest()
+//@[16:21) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 
 func test() object => loadJsonContent('./repro-data.json')
+//@[12:18) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |object|
 func test2() string => loadTextContent('./repro-data.json')
 func test3() object => loadYamlContent('./repro-data.json')
+//@[13:19) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |object|
 func test4() string => loadFileAsBase64('./repro-data.json')
 
 // validate formatter works (https://github.com/Azure/bicep/issues/12913)

src/Bicep.Core.Samples/Files/baselines/InvalidExpressions_LF/main.diagnostics.bicep

@@ -295,6 +295,7 @@ param funcvarparam bool = concat
 //@[06:18) [no-unused-params (Warning)] Parameter "funcvarparam" is declared but never used. (bicep core linter https://aka.ms/bicep/linter/no-unused-params) |funcvarparam|
 //@[26:32) [BCP063 (Error)] The name "concat" is not a parameter, variable, resource or module. (bicep https://aka.ms/bicep/core-diagnostics#BCP063) |concat|
 output funcvarout array = padLeft
+//@[18:23) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[26:33) [BCP063 (Error)] The name "padLeft" is not a parameter, variable, resource or module. (bicep https://aka.ms/bicep/core-diagnostics#BCP063) |padLeft|
 
 // non-existent function

src/Bicep.Core.Samples/Files/baselines/InvalidFunctions_LF/main.diagnostics.bicep

@@ -28,6 +28,7 @@ func noLambda3 = string 'asdf'
 //@[15:16) [BCP018 (Error)] Expected the "(" character at this location. (bicep https://aka.ms/bicep/core-diagnostics#BCP018) |=|
 
 func argLengthMismatch(a string, b string, c string) array => ([a, b, c])
+//@[53:58) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 var sdf = argLengthMismatch('asdf')
 //@[04:07) [no-unused-vars (Warning)] Variable "sdf" is declared but never used. (bicep core linter https://aka.ms/bicep/linter/no-unused-vars) |sdf|
 //@[27:35) [BCP071 (Error)] Expected 3 arguments, but got 1. (bicep https://aka.ms/bicep/core-diagnostics#BCP071) |('asdf')|
@@ -38,6 +39,7 @@ var asdfwdf = noLambda('asd')
 
 func sayHello(name string) string => 'Hi ${name}!'
 output hellos array = map(['Evie', 'Casper'], sayHello) // this syntax not supported currently, but should it be?
+//@[14:19) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[46:54) [BCP063 (Error)] The name "sayHello" is not a parameter, variable, resource or module. (bicep https://aka.ms/bicep/core-diagnostics#BCP063) |sayHello|
 
 func sayHelloBadNewlines(

src/Bicep.Core.Samples/Files/baselines/InvalidLambdas_LF/main.diagnostics.bicep

@@ -1,4 +1,5 @@
 param ids array
+//@[10:15) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 
 var flatten1 = flatten('abc')
 //@[04:12) [no-unused-vars (Warning)] Variable "flatten1" is declared but never used. (bicep core linter https://aka.ms/bicep/linter/no-unused-vars) |flatten1|
@@ -146,17 +147,23 @@ resource stg 'Microsoft.Storage/storageAccounts@2021-09-01' = [for i in range(0,
 }]
 
 output stgKeys array = map(range(0, 2), i => stg[i].listKeys().keys[0].value)
+//@[15:20) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[49:50) [BCP247 (Error)] Using lambda variables inside resource or module array access is not currently supported. Found the following lambda variable(s) being accessed: "i". (bicep https://aka.ms/bicep/core-diagnostics#BCP247) |i|
 output stgKeys2 array = map(range(0, 2), j => stg[((j + 2) % 123)].listKeys().keys[0].value)
+//@[16:21) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[50:65) [BCP247 (Error)] Using lambda variables inside resource or module array access is not currently supported. Found the following lambda variable(s) being accessed: "j". (bicep https://aka.ms/bicep/core-diagnostics#BCP247) |((j + 2) % 123)|
 output stgKeys3 array = map(ids, id => listKeys(id, stg[0].apiVersion).keys[0].value)
+//@[16:21) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[39:70) [outputs-should-not-contain-secrets (Warning)] Outputs should not contain secrets. Found possible secret: function 'listKeys' (bicep core linter https://aka.ms/bicep/linter/outputs-should-not-contain-secrets) |listKeys(id, stg[0].apiVersion)|
 //@[39:70) [BCP248 (Error)] Using lambda variables inside the "listKeys" function is not currently supported. Found the following lambda variable(s) being accessed: "id". (bicep https://aka.ms/bicep/core-diagnostics#BCP248) |listKeys(id, stg[0].apiVersion)|
 output accessTiers array = map(range(0, 2), k => stg[k].properties.accessTier)
+//@[19:24) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[53:54) [BCP247 (Error)] Using lambda variables inside resource or module array access is not currently supported. Found the following lambda variable(s) being accessed: "k". (bicep https://aka.ms/bicep/core-diagnostics#BCP247) |k|
 output accessTiers2 array = map(range(0, 2), x => map(range(0, 2), y => stg[x / y].properties.accessTier))
+//@[20:25) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[76:81) [BCP247 (Error)] Using lambda variables inside resource or module array access is not currently supported. Found the following lambda variable(s) being accessed: "x", "y". (bicep https://aka.ms/bicep/core-diagnostics#BCP247) |x / y|
 output accessTiers3 array = map(ids, foo => reference('${foo}').accessTier)
+//@[20:25) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[44:63) [BCP248 (Error)] Using lambda variables inside the "reference" function is not currently supported. Found the following lambda variable(s) being accessed: "foo". (bicep https://aka.ms/bicep/core-diagnostics#BCP248) |reference('${foo}')|
 
 module modLoop './empty.bicep' = [for item in range(0, 5): {
@@ -167,6 +174,7 @@ var modLoopNames = map(modLoop, i => i.name)
 //@[04:16) [no-unused-vars (Warning)] Variable "modLoopNames" is declared but never used. (bicep core linter https://aka.ms/bicep/linter/no-unused-vars) |modLoopNames|
 //@[23:30) [BCP144 (Error)] Directly referencing a resource or module collection is not currently supported here. Apply an array indexer to the expression. (bicep https://aka.ms/bicep/core-diagnostics#BCP144) |modLoop|
 output modOutputs array = map(range(0, 5), i => modLoop[i].outputs.foo)
+//@[18:23) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[43:70) [BCP070 (Error)] Argument of type "int => error" is not assignable to parameter of type "(any[, int]) => any". (bicep https://aka.ms/bicep/core-diagnostics#BCP070) |i => modLoop[i].outputs.foo|
 //@[56:57) [BCP247 (Error)] Using lambda variables inside resource or module array access is not currently supported. Found the following lambda variable(s) being accessed: "i". (bicep https://aka.ms/bicep/core-diagnostics#BCP247) |i|
 //@[67:70) [BCP052 (Error)] The type "outputs" does not contain property "foo". (bicep https://aka.ms/bicep/core-diagnostics#BCP052) |foo|

src/Bicep.Core.Samples/Files/baselines/InvalidModules_LF/main.diagnostics.bicep

@@ -622,6 +622,7 @@ module nonexistentArrays 'modulea.bicep' = [for evenMoreDuplicates in alsoDoesNo
 }]
 
 output directRefToCollectionViaOutput array = nonexistentArrays
+//@[038:043) [use-user-defined-types (Warning)] Use user-defined types instead of 'object' or 'array'. (bicep core linter https://aka.ms/bicep/linter/use-user-defined-types) |array|
 //@[046:063) [BCP144 (Error)] Directly referencing a resource or module collection is not currently supported here. Apply an array indexer to the expression. (bicep https://aka.ms/bicep/core-diagnostics#BCP144) |nonexistentArrays|
 
 module directRefToCollectionViaSingleBody 'modulea.bicep' = {