How to use the @sourcegraph/codeintellify.AdjustmentDirection.ActualToCodeView function in @sourcegraph/codeintellify

map(lines => {
            const codeElement = getCodeElementFromLineNumber(codeView, position.line, position.part)
            if (!codeElement) {
                throw new Error('(adjustPosition) could not find code element for line provided')
            }

            const actualLine = lines[position.line - 1]
            const documentLine = codeElement.textContent || ''

            const actualLeadingWhiteSpace = actualLine.length - trimStart(actualLine).length
            const documentLeadingWhiteSpace = documentLine.length - trimStart(documentLine).length

            const modifier = direction === AdjustmentDirection.ActualToCodeView ? -1 : 1
            const delta = Math.abs(actualLeadingWhiteSpace - documentLeadingWhiteSpace) * modifier

            return {
                line: position.line,
                character: position.character + delta,
            }
        })
    )

const codeElement = singleFileDOMFunctions.getCodeElementFromLineNumber(
                codeView,
                position.line,
                position.part
            )
            if (!codeElement) {
                throw new Error('(adjustPosition) could not find code element for line provided')
            }

            const actualLine = lines[position.line - 1]
            const documentLine = codeElement.textContent || ''

            const actualLeadingWhiteSpace = actualLine.length - trimStart(actualLine).length
            const documentLeadingWhiteSpace = documentLine.length - trimStart(documentLine).length

            const modifier = direction === AdjustmentDirection.ActualToCodeView ? -1 : 1
            const delta = Math.abs(actualLeadingWhiteSpace - documentLeadingWhiteSpace) * modifier

            return {
                line: position.line,
                character: position.character + delta,
            }
        })
    )

): PositionAdjuster => ({ direction, codeView, position }) => {
    const codeElement = dom.getCodeElementFromLineNumber(codeView, position.line, position.part)
    if (!codeElement) {
        throw new Error('(adjustPosition) could not find code element for line provided')
    }

    let delta = 0
    for (const modifiedTextElem of codeElement.querySelectorAll('[cm-text]')) {
        const actualText = modifiedTextElem.getAttribute('cm-text') || ''
        const adjustedText = modifiedTextElem.textContent || ''

        delta += actualText.length - adjustedText.length
    }

    const modifier = direction === AdjustmentDirection.ActualToCodeView ? -1 : 1

    const newPos = {
        line: position.line,
        character: position.character + modifier * delta,
    }

    return of(newPos)
}

const codeElement = singleFileDOMFunctions.getCodeElementFromLineNumber(
                codeView,
                position.line,
                position.part
            )
            if (!codeElement) {
                throw new Error('(adjustPosition) could not find code element for line provided')
            }

            const actualLine = lines[position.line - 1]
            const documentLine = codeElement.textContent || ''

            const actualLeadingWhiteSpace = actualLine.length - trimStart(actualLine).length
            const documentLeadingWhiteSpace = documentLine.length - trimStart(documentLine).length

            const modifier = direction === AdjustmentDirection.ActualToCodeView ? -1 : 1
            const delta = Math.abs(actualLeadingWhiteSpace - documentLeadingWhiteSpace) * modifier

            return {
                line: position.line,
                character: position.character + delta,
            }
        })
    )