import { WhereConstraint, DocumentId, __name__, MetaType, ErrorWhere__name__ } from '../types';
/**
 * Creates a {@link QueryConstraint} that enforces that documents must contain the
 * specified field and that the value should satisfy the relation constraint
 * provided.
 *
 * @param fieldPath - The path to compare
 * @param opStr - The operation string (e.g "<", "<=", "==", "<",
 *   "<=", "!=").
 * @param value - The value for comparison
 * @returns The created {@link Query}.
 */
export declare const where: <T extends MetaType, FieldPath extends DocumentId | (keyof T["writeFlatten"] & string), OpStr extends import("@firebase/firestore").WhereFilterOp, Value>(fieldPath: FieldPath extends "__name__" ? "Error: Dont use ( __name__ ) directly as where's field path, use documentId() sentinel field path instead." : FieldPath, opStr: OpStr, value: Value) => WhereConstraint<T, FieldPath extends DocumentId ? "__name__" : FieldPath, OpStr, Value>;