[Home](./index.md) > [@firebase/firestore](./firestore.md) > [/](./firestore_.md) > [Settings](./firestore_.settings.md) ## Settings interface Signature: ```typescript export declare interface Settings ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [cacheSizeBytes?](./firestore_.settings.cachesizebytes.md) | number | (Optional) | | [experimentalAutoDetectLongPolling?](./firestore_.settings.experimentalautodetectlongpolling.md) | boolean | (Optional) | | [experimentalForceLongPolling?](./firestore_.settings.experimentalforcelongpolling.md) | boolean | (Optional) | | [host?](./firestore_.settings.host.md) | string | (Optional) | | [ignoreUndefinedProperties?](./firestore_.settings.ignoreundefinedproperties.md) | boolean | (Optional) | | [ssl?](./firestore_.settings.ssl.md) | boolean | (Optional) |