/**
 * Normalizes optional text argument to `string | null`.
 *
 * @private function of UseProjectCommitmentDefinition
 */
export declare function normalizeOptionalToolText(value: unknown): string | null;
/**
 * Normalizes required text argument and throws when missing.
 *
 * @private function of UseProjectCommitmentDefinition
 */
export declare function normalizeRequiredToolText(value: unknown, fieldName: string): string;