message: add patch ref interface
diff: * Licensed under the MIT License.
  */
  -import { ICreateRefParams } from "@fluidframework/gitresources";
  +import { ICreateRefParams, IPatchRefParams } from "@fluidframework/gitresources";
  /**
  * Required params to create ref with config
  */
  @@ -11,6 +11,13 @@ export interface ICreateRefParamsExternal extends ICreateRefParams {
  config?: IExternalWriterConfig;
  }
  +/**
  + * Required params to patch ref with config
  + */
  +export interface IPatchRefParamsExternal extends IPatchRefParams {
  + config?: IExternalWriterConfig
  +}
  +
  interface IExternalWriterConfig {
  enabled: boolean;
  }
  