Convert generic method errors to hints

pkg/analyzer/lib/src/error/codes.dart

Index: pkg/analyzer/lib/src/error/codes.dart
diff --git a/pkg/analyzer/lib/src/error/codes.dart b/pkg/analyzer/lib/src/error/codes.dart
index 48702e6b268fba3c33cbb677c3664a9379ec106f..10c39cb2ac00cff925a23703233004472955b1f5 100644
--- a/pkg/analyzer/lib/src/error/codes.dart
+++ b/pkg/analyzer/lib/src/error/codes.dart
@@ -3086,6 +3086,22 @@ class StaticTypeWarningCode extends ErrorCode {
           "Try adjusting the number of type arguments.");
 
   /**
+   * It will be a static type warning if <i>m</i> is not a generic method with
+   * exactly <i>n</i> type parameters.
+   *
+   * Parameters:
+   * 0: the name of the method being referenced (<i>G</i>)
+   * 1: the number of type parameters that were declared
+   * 2: the number of type arguments provided
+   */
+  static const StaticTypeWarningCode WRONG_NUMBER_OF_TYPE_ARGUMENTS_METHOD =
+      const StaticTypeWarningCode(
+          'WRONG_NUMBER_OF_TYPE_ARGUMENTS_METHOD',
+          "The method '{0}' is declared with {1} type parameters, "
+          "but {2} type arguments were given.",
+          "Try adjusting the number of type arguments.");
+
+  /**
    * 17.16.1 Yield: Let T be the static type of e [the expression to the right
    * of "yield"] and let f be the immediately enclosing function.  It is a
    * static type warning if either: