import type { ArraySetUpdateIt } from './arraySetUpdateIt.js';
import type { DeleteIt, DeleteItIfPresent } from './deleteIt.js';
import type { IncrementIt } from './incrementIt.js';
import type { KeepIt, KeepItIfPresent } from './keepIt.js';
import type { ReplaceIt } from './replaceIt.js';
export type PatchSentinel = DeleteIt | DeleteItIfPresent | ReplaceIt | KeepIt | KeepItIfPresent | IncrementIt | ArraySetUpdateIt;
export declare namespace PatchSentinel {
    /** Safe to ignore if source value does not exist */
    type SafeToStrip = DeleteItIfPresent | KeepItIfPresent;
}
export declare function isSafeToStripPatchSentinel(x: unknown): x is PatchSentinel.SafeToStrip;
export declare function isPatchSentinel(x: unknown): x is PatchSentinel;
export declare function stringFromPatchSentinel(x: PatchSentinel): string;
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