Make sync client api obsolete (#3174)

Author: marcschier

.editorconfig

@@ -96,8 +96,8 @@ csharp_space_between_method_call_name_and_opening_parenthesis                 =
 csharp_space_between_method_call_parameter_list_parentheses                   = false
 csharp_space_between_method_declaration_empty_parameter_list_parentheses      = false
 csharp_space_between_method_declaration_parameter_list_parentheses            = false
-csharp_style_allow_embedded_statements_on_same_line_experimental			  = true:silent
-csharp_style_allow_blank_lines_between_consecutive_braces_experimental		  = true:silent
+csharp_style_allow_embedded_statements_on_same_line_experimental              = true:silent
+csharp_style_allow_blank_lines_between_consecutive_braces_experimental        = true:silent
 csharp_style_allow_blank_line_after_colon_in_constructor_initializer_experimental = true:silent
 csharp_style_allow_blank_line_after_token_in_conditional_expression_experimental = true:silent
 csharp_style_allow_blank_line_after_token_in_arrow_expression_clause_experimental = true:silent
@@ -138,38 +138,38 @@ csharp_style_var_when_type_is_apparent                                        =
 csharp_style_var_elsewhere                                                    = false:suggestion
 
 # Style - misc
-csharp_style_prefer_null_check_over_type_check								  = true:suggestion
-csharp_style_prefer_local_over_anonymous_function							  = true:suggestion
-csharp_style_prefer_index_operator											  = true:suggestion
-csharp_style_prefer_range_operator									          = true:suggestion
-csharp_style_implicit_object_creation_when_type_is_apparent				      = true:suggestion
-csharp_style_prefer_implicitly_typed_lambda_expression						  = true:suggestion
-csharp_style_prefer_unbound_generic_type_in_nameof							  = true:suggestion
-csharp_style_prefer_utf8_string_literals									  = true:suggestion
-csharp_style_unused_value_assignment_preference								  = discard_variable:suggestion
-csharp_style_prefer_readonly_struct										      = true:suggestion
-csharp_style_prefer_readonly_struct_member									  = true:suggestion
+csharp_style_prefer_null_check_over_type_check                                = true:suggestion
+csharp_style_prefer_local_over_anonymous_function                             = true:suggestion
+csharp_style_prefer_index_operator                                            = true:suggestion
+csharp_style_prefer_range_operator                                            = true:suggestion
+csharp_style_implicit_object_creation_when_type_is_apparent                   = true:suggestion
+csharp_style_prefer_implicitly_typed_lambda_expression                        = true:suggestion
+csharp_style_prefer_unbound_generic_type_in_nameof                            = true:suggestion
+csharp_style_prefer_utf8_string_literals                                      = true:suggestion
+csharp_style_unused_value_assignment_preference                               = discard_variable:suggestion
+csharp_style_prefer_readonly_struct                                           = true:suggestion
+csharp_style_prefer_readonly_struct_member                                    = true:suggestion
 
 # Style - pattern matching
-csharp_style_prefer_switch_expression										  = false:suggestion
-csharp_style_prefer_pattern_matching										  = true:silent
-csharp_style_prefer_not_pattern												  = true:suggestion
-csharp_style_prefer_extended_property_pattern								  = true:suggestion
+csharp_style_prefer_switch_expression                                         = false:suggestion
+csharp_style_prefer_pattern_matching                                          = true:silent
+csharp_style_prefer_not_pattern                                               = true:suggestion
+csharp_style_prefer_extended_property_pattern                                 = true:suggestion
 
 # Never
-dotnet_style_namespace_match_folder											  = false:none
+dotnet_style_namespace_match_folder                                           = false:none
 
 # Enable eventually
-dotnet_code_quality_unused_parameters										  = all:suggestion
+dotnet_code_quality_unused_parameters                                         = all:suggestion
 
 # Style - language keyword and framework type options
 #prefer the language keyword for local variables, method parameters, and class members,
 #instead of the type name, for types that have a keyword to represent them
 dotnet_style_predefined_type_for_locals_parameters_members                    = true:suggestion
 dotnet_style_predefined_type_for_member_access                                = true:suggestion
 
-dotnet_style_allow_multiple_blank_lines_experimental		 				  = false:suggestion
-dotnet_style_allow_statement_immediately_after_block_experimental			  = true:suggestion
+dotnet_style_allow_multiple_blank_lines_experimental                          = false:suggestion
+dotnet_style_allow_statement_immediately_after_block_experimental             = true:suggestion
 
 # Style - qualification options
 dotnet_style_qualification_for_event                                          = false:suggestion
@@ -182,7 +182,7 @@ dotnet_style_parentheses_in_arithmetic_binary_operators                       =
 dotnet_style_parentheses_in_relational_binary_operators                       = always_for_clarity:suggestion
 dotnet_style_parentheses_in_other_binary_operators                            = always_for_clarity:suggestion
 dotnet_style_parentheses_in_other_operators                                   = never_if_unnecessary:silent
-dotnet_style_operator_placement_when_wrapping							      = beginning_of_line
+dotnet_style_operator_placement_when_wrapping                                 = beginning_of_line
 
 # Style - Modifier preferences
 dotnet_style_require_accessibility_modifiers                                  = for_non_interface_members:suggestion
@@ -368,10 +368,10 @@ dotnet_diagnostic.CA1711.severity                                             =
 dotnet_diagnostic.IDE1005.severity                                            = warning
 
 # IDE0046: Convert to conditional expression
-dotnet_diagnostic.IDE0046.severity											  = silent
+dotnet_diagnostic.IDE0046.severity                                            = silent
 
 # IDE0130: Namespace does not match folder structure
-dotnet_diagnostic.IDE0130.severity											  = none
+dotnet_diagnostic.IDE0130.severity                                            = none
 
 # CA1305: Specify IFormatProvider
 dotnet_diagnostic.CA1305.severity                                             = warning