$this addSelect(array|mixed $column) Add a new select column to the query

static bool hasMacro(string $name) Checks if macro is registered

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$this whereIn(string $column, mixed $values, string $boolean = 'and', bool $not = false)

Illuminate\Database\Query\Grammars Classes

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string implode(string $column, string $glue = '') Concatenate values of

int delete(mixed $id = null) Delete a record from the database.

Builder newQuery()