/**
 * Encodes a single cursor value as a tagged chunk.
 *
 * A nullish value is a chunk like any other. A cursor is an opaque position handed back to the
 * server, and refusing to write one for a nullable column breaks every edge of the page rather
 * than only a request that pages from that row.
 */
export declare function encodeCursorChunk(value: unknown): string;
/**
 * Encodes several cursor values as one chunk, each part keeping its own tag.
 *
 * A nullish part is a JSON `null` rather than a `Z:` chunk, which is what compound cursors
 * already in the wild hold, and they have to keep decoding byte for byte the same way.
 */
export declare function encodeCursorTuple(values: readonly unknown[]): string;
/**
 * Reads a tagged chunk back. A `T:` chunk yields an array; every other tag yields the value.
 *
 * A decimal comes back as its exact decimal string rather than as a `Decimal`: this module has
 * no decimal class to build, and both ORMs accept a decimal string wherever they accept one.
 */
export declare function decodeCursorChunk(chunk: unknown): unknown;
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