export declare const OBSERVABILITY_DELTA_POLLING_FEATURE = "observability-delta-polling";
export declare function deltaPollingFeatureEnabled(): boolean;
export declare function assertDeltaPollingEnabled(): void;
export declare function encodeDeltaCursor(value: unknown): string;
export declare function validateCursorId(cursor: string): string;
export declare function extendWhereClause(baseClause: string, extraConditions: string[]): string;
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