export type BuiltinStartingPoints = "DoNotChange" | "LastDocument" | "BeginningOfTime";
export type StartingPointChangeVectorType = BuiltinStartingPoints | (string & NonNullable<unknown>);
/**
 * Represents a starting point for ETL processing, indicating where the ETL task should begin processing documents.
 *
 * Provides predefined starting points:
 * - LastDocument: Start from the last processed document
 * - BeginningOfTime: Start from the beginning of the collection
 * - DoNotChange: Keep the current starting point when updating
 */
export declare class StartingPointChangeVector {
    value: StartingPointChangeVectorType;
    /**
     * Indicates that the ETL starting point should not be changed during an update operation.
     */
    static readonly DoNotChange: StartingPointChangeVector;
    /**
     * Indicates that the ETL should start from the last processed document.
     */
    static readonly LastDocument: StartingPointChangeVector;
    /**
     * Indicates that the ETL should start from the beginning of time (process all documents from the start).
     */
    static readonly BeginningOfTime: StartingPointChangeVector;
    private constructor();
    /**
     * Creates a StartingPointChangeVector from a specific change vector string.
     * @param changeVector The change vector string
     * @returns A new StartingPointChangeVector instance
     */
    static from(changeVector: StartingPointChangeVectorType): StartingPointChangeVector;
}
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