How to use the @theia/plugin-ext/lib/main/browser/documents-main.DocumentsMainImpl.toEditorOpenerOptions function in @theia/plugin-ext

if (!URI.isUri(resource)) {
                    throw new Error(`Invalid argument for ${VscodeCommands.OPEN.id} command with URI argument. Found ${resource}`);
                }

                let options: TextDocumentShowOptions | undefined;
                if (typeof columnOrOptions === 'number') {
                    options = {
                        viewColumn: fromViewColumn(columnOrOptions)
                    };
                } else if (columnOrOptions) {
                    options = {
                        ...columnOrOptions,
                        viewColumn: fromViewColumn(columnOrOptions.viewColumn)
                    };
                }
                const editorOptions = DocumentsMainImpl.toEditorOpenerOptions(this.shell, options);
                await open(this.openerService, new TheiaURI(resource), editorOptions);
            }
        });

execute: async (left: URI, right: URI, label?: string, options?: TextDocumentShowOptions) => {
                if (!left || !right) {
                    throw new Error(`${VscodeCommands.DIFF} command requires at least two URI arguments. Found left=${left}, right=${right} as arguments`);
                }
                if (!URI.isUri(left)) {
                    throw new Error(`Invalid argument for ${VscodeCommands.DIFF.id} command with left argument. Expecting URI left type but found ${left}`);
                }
                if (!URI.isUri(right)) {
                    throw new Error(`Invalid argument for ${VscodeCommands.DIFF.id} command with right argument. Expecting URI right type but found ${right}`);
                }

                const leftURI = new TheiaURI(left);
                const editorOptions = DocumentsMainImpl.toEditorOpenerOptions(this.shell, options);
                await this.diffService.openDiffEditor(leftURI, new TheiaURI(right), label, editorOptions);
            }
        });