Google Apps Script API
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    A thumbnail for the file. This will only be used if Google Drive cannot generate a standard thumbnail.

    interface FileContentHintsThumbnail {
        image?: number[];
        mimeType?: string;
    }
    Index

    Properties

    Properties

    image?: number[]

    The thumbnail data encoded with URL-safe Base64 (RFC 4648 section 5).

    mimeType?: string

    The MIME type of the thumbnail.