Interface FormattingMiddleware

interface FormattingMiddleware {
    provideDocumentFormattingEdits?: (
        this: void,
        document: TextDocument,
        options: FormattingOptions,
        token: CancellationToken,
        next: ProvideDocumentFormattingEditsSignature,
    ) => ProviderResult<TextEdit[]>;
    provideDocumentRangeFormattingEdits?: (
        this: void,
        document: TextDocument,
        range: Range,
        options: FormattingOptions,
        token: CancellationToken,
        next: ProvideDocumentRangeFormattingEditsSignature,
    ) => ProviderResult<TextEdit[]>;
    provideDocumentRangesFormattingEdits?: (
        this: void,
        document: TextDocument,
        range: Range[],
        options: FormattingOptions,
        token: CancellationToken,
        next: ProvideDocumentRangesFormattingEditsSignature,
    ) => ProviderResult<TextEdit[]>;
    provideOnTypeFormattingEdits?: (
        this: void,
        document: TextDocument,
        position: Position,
        ch: string,
        options: FormattingOptions,
        token: CancellationToken,
        next: ProvideOnTypeFormattingEditsSignature,
    ) => ProviderResult<TextEdit[]>;
}