Query Options
Firestore
TODO write about the options available
filter?: {[key:string]:any},
where?: WhereOp|WhereOp[],
endAt?: BoundOp,
endBefore?: BoundOp,
startAt?: BoundOp,
startAfter?: BoundOp,
orderBy?: OrderOp,
include?: string
Query
query?: (CollectionReference) => (Query|CollectionReference),
limit?: number
QueryRecord
doc?: (CollectionReference) => (Query|DocumentReference)
Realtime Database
query?: (Reference) => Reference,
filter?: {[key:string]:string|number|boolean|null},
endAt?: BoundOp,
equalTo?: BoundOp,
limitToFirst?: number,
limitToLast?: number,
orderBy?: string|OrderBy,
startAt?: BoundOp
Query
limit?: number