Interface Completion

interface Completion {
    additionalTextEdits?: SingleEditOperation[];
    command?: Command;
    commitCharacters?: string[];
    deprecated?: boolean;
    detail?: string;
    documentation?: string | MarkdownString;
    filterText?: string;
    insertText: string;
    insertTextRules?: CompletionItemInsertTextRule;
    kind: CompletionItemKind;
    label: string | CompletionItemLabel;
    label2?: string;
    preselect?: boolean;
    range?: Range | { insert: Range; replace: Range };
    sortText?: string;
    tags?: Deprecated[];
}