message: unChanged -> unchnaged
diff: @@ -131,10 +131,10 @@ export namespace DocumentDiagnosticReportKind {
  * A report indicating that the last
  * returned report is still accurate.
  */
  - export const unChanged = 'unChanged';
  + export const unchanged = 'unchanged';
  }
  -export type DocumentDiagnosticReportKind = 'full' | 'unChanged';
  +export type DocumentDiagnosticReportKind = 'full' | 'unchanged';
  /**
  * A diagnostic report with a full set of problems.
  @@ -197,7 +197,7 @@ export type UnchangedDocumentDiagnosticReport = {
  * only return `unchanged` if result ids are
  * provided.
  */
  - kind: typeof DocumentDiagnosticReportKind.unChanged;
  + kind: typeof DocumentDiagnosticReportKind.unchanged;
  /**
  * A result id which will be sent on the next
  