/**
 * Returns key fields used for point selections, if configured.
 *
 * @param {import("../spec/channel.js").Encoding} encoding
 * @returns {string[] | undefined}
 */
export function getEncodingKeyFields(encoding: import("../spec/channel.js").Encoding): string[] | undefined;
/**
 * Returns search fields configured in encoding.search, if any.
 *
 * @param {import("../spec/channel.js").Encoding} encoding
 * @returns {string[] | undefined}
 */
export function getEncodingSearchFields(encoding: import("../spec/channel.js").Encoding): string[] | undefined;
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