import { ConnectionStrategy, ConnectionStrategyOptions } from './connection-strategy';
import { FullResponse, NamedFullResponse, Operation, Query, QueryExpression, ResponseHints, Transform } from '@orbit/data';
export interface RequestStrategyOptions extends ConnectionStrategyOptions {
    /**
     * Should results returned from calling `action` on the `target` source be
     * passed as hint data back to the `source`?
     *
     * This can allow hints to inform the processing of subsequent actions on the
     * source. For instance, a `beforeQuery` event might invoke `query` on a
     * target, and those results could inform how the originating source performs
     * `_query`. This might allow a target source's sorting and filtering of
     * results to affect how the originating source processes the query.
     *
     * This setting is only effective for `blocking` strategies, since only in
     * those scenarios is processing delayed.
     */
    passHints?: boolean;
}
export declare class RequestStrategy extends ConnectionStrategy {
    passHints: boolean;
    constructor(options: RequestStrategyOptions);
    protected invokeAction(request: Query<QueryExpression> | Transform<Operation>): Promise<NamedFullResponse<unknown, unknown, Operation>>;
    protected handleBlockingResponse(result: Promise<FullResponse<unknown, unknown, Operation>>, request: Query<QueryExpression> | Transform<Operation>, hints?: ResponseHints<unknown, unknown>): Promise<NamedFullResponse<unknown, unknown, Operation>>;
    protected assignHints(hints: ResponseHints<unknown, unknown>, fullResponse: FullResponse<unknown, unknown, Operation>): void;
}