import type { internal } from '@launchdarkly/js-sdk-common';
import { ItemDescriptor } from '../flag-manager/ItemDescriptor';
import { FlagEvaluationResult } from '../types';
/**
 * ObjProcessor for the `flag-eval` object kind. Used by the protocol handler to
 * process objects received in `put-object` events.
 *
 * Client-side evaluation results are already in their final form (pre-evaluated
 * by the server), so no transformation is needed — this is a passthrough.
 */
export declare function processFlagEval(object: unknown): FlagEvaluationResult;
/**
 * Converts an FDv2 {@link internal.Update} with `kind: 'flag-eval'` into an
 * {@link ItemDescriptor} suitable for {@link FlagManager}.
 *
 * For put updates the envelope `version` is used as the {@link ItemDescriptor.version}
 * and as {@link Flag.version}. The rest of the fields are spread from the
 * {@link FlagEvaluationResult} object.
 *
 * For delete updates a tombstone descriptor is created with `deleted: true`.
 */
export declare function flagEvalUpdateToItemDescriptor(update: internal.Update): ItemDescriptor;
/**
 * Converts an array of FDv2 payload updates into a map of flag key to
 * {@link ItemDescriptor}. Only `flag-eval` kind updates are processed;
 * unrecognized kinds are silently ignored.
 */
export declare function flagEvalPayloadToItemDescriptors(updates: internal.Update[]): {
    [key: string]: ItemDescriptor;
};
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