Type Alias PrimitiveNames

PrimitiveNames:
    | "string"
    | "number"
    | "boolean"
    | "undefined"
    | "null"
    | "symbol"
    | "bigint"

The names of the primitive types: 'string', 'number', 'boolean', 'undefined', 'null', 'symbol', 'bigint' (void is not included, it's a pseudo type)