Record<string, FieldData>
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`Record<string, FieldData>` is a type definition in TypeScript for an object that contains key-value pairs where the keys are strings and the values are of type `FieldData`.
`Record` is a built-in generic type in TypeScript that takes two type arguments. The first type argument is the type of the keys, which in this case is `string`. The second type argument is the type of the values, which in this case is `FieldData`.
`FieldData` is a custom data type defined elsewhere in the code, and it represents the data associated with a particular field in a data model or schema. It could contain information such as the data type of the field, any constraints on the data, and any validation rules that should be applied to the data.
Overall, `Record<string, FieldData>` is a type definition that specifies the shape of an object that maps string keys to `FieldData` values.
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