import { Clock, IDGenerator } from '../../execution/execution-options';
import { FieldSelection } from '../../graphql/query-distiller';
/**
 * A token that corresponds to a FieldSelection but is local to one execution
 *
 * There usually is a 1:1 relationship between a FieldSelection/FieldRequest and the SelectionToken. However, instances
 * of a FieldSelection do not convey an identity per se. Usage of the SelectionToken class makes it clear that it's not
 * taken for its values bot for the identity within an execution. This is a useful property for caches and external
 * state management.
 */
export declare class SelectionToken {
    private _selectionToken;
}
export interface FieldContext {
    readonly selectionStack: ReadonlyArray<FieldSelection>;
    readonly flexSearchMaxFilterableAmountOverride?: number;
    readonly flexSearchRecursionDepth?: number;
    /**
     * A child entity update operation with this number of updates or more will use the "dict"
     * strategy that converts the list into a dictionary before applying the updates first
     *
     * If not specified, a reasonable default will be used
     */
    readonly childEntityUpdatesViaDictStrategyThreshold?: number;
    /**
     * A stack of objects that correspond to the selections that are intended to be used with WeakMaps to store
     * additional information
     */
    readonly selectionTokenStack: ReadonlyArray<SelectionToken>;
    /**
     * The tip of the selection token stack (i.e., the token for the selection being resolved)
     *
     * Outside of resolving a field (should only occur within the query-node-object-type framework), this will be a
     * distinct token
     */
    readonly selectionToken: SelectionToken;
    /**
     * An interface to determine the current date/time
     */
    readonly clock: Clock;
    /**
     * An interface to generate IDs, e.g. for new child entities
     */
    readonly idGenerator: IDGenerator;
    /**
     * Refer to {@link ExecutionOptions.maxLimitForRootEntityQueries} for a description of this property.
     */
    readonly maxLimitForRootEntityQueries?: number;
    /**
     * Refer to {@link ExecutionOptions.implicitLimitForRootEntityQueries} for a description of this property.
     */
    readonly implicitLimitForRootEntityQueries?: number;
}