in tools/DeploymentsSchemaTests/TestSchemaCache.cs [143:151]
public ILookup<string, ResourceTypeSchema> GetSchemasForProvider(string providerNamespace)
{
if (this.schemaCache.TryGetValue(providerNamespace, out var schemaLookup))
{
return schemaLookup;
}
return Enumerable.Empty<ResourceTypeSchema>().ToLookupOrdinalInsensitively(schema => schema.FullyQualifiedResourceType);
}