Expand snapshot repository types (#2255) (#2443)

Co-authored-by: Josh Mock <joshua.mock@elastic.co>

Author: swallez

compiler/src/model/build-model.ts

@@ -267,14 +267,14 @@ function compileClassOrInterfaceDeclaration (declaration: ClassDeclaration | Int
           const queryType = type.query.find(property => property != null && property.name === part.name) as model.Property
           if (!deepEqual(queryType.type, part.type)) {
             assert(pathMember as Node, part.codegenName != null, `'${part.name}' already exist in the query_parameters with a different type, you should define an @codegen_name.`)
-            assert(pathMember as Node, !type.query.map(p => p.name).includes(part.codegenName), `The codegen_name '${part.codegenName}' already exists as parameter in query_parameters.`)
+            assert(pathMember as Node, !type.query.map(p => p.codegenName ?? p.name).includes(part.codegenName), `The codegen_name '${part.codegenName}' already exists as parameter in query_parameters.`)
           }
         }
         if (bodyProperties.map(p => p.name).includes(part.name)) {
           const bodyType = bodyProperties.find(property => property != null && property.name === part.name) as model.Property
           if (!deepEqual(bodyType.type, part.type)) {
             assert(pathMember as Node, part.codegenName != null, `'${part.name}' already exist in the body with a different type, you should define an @codegen_name.`)
-            assert(pathMember as Node, !bodyProperties.map(p => p.name).includes(part.codegenName), `The codegen_name '${part.codegenName}' already exists as parameter in body.`)
+            assert(pathMember as Node, !bodyProperties.map(p => p.codegenName ?? p.name).includes(part.codegenName), `The codegen_name '${part.codegenName}' already exists as parameter in body.`)
           }
         }
       }
@@ -293,7 +293,7 @@ function compileClassOrInterfaceDeclaration (declaration: ClassDeclaration | Int
           )
           assert(
             (bodyMember as PropertySignature).getJsDocs(),
-            !type.path.map(p => p.name).concat(type.query.map(p => p.name)).includes(tags.codegen_name),
+            !type.path.map(p => p.codegenName ?? p.name).concat(type.query.map(p => p.codegenName ?? p.name)).includes(tags.codegen_name),
             `The codegen_name '${tags.codegen_name}' already exists as a property in the path or query.`
           )
           type.body = {