/**
 * Validates and type-checks regex patterns for Vercel's path-to-regexp syntax.
 *
 * @example
 * // Valid patterns:
 * "/api/(.*)"           // Basic capture group
 * "/blog/:slug"         // Named parameter
 * "/feedback/((?!general).*)" // Negative lookahead in a group
 *
 * // Invalid patterns:
 * "/feedback/(?!general)" // Negative lookahead without group
 * "[unclosed"            // Invalid regex syntax
 * "/*"                   // Invalid wildcard pattern
 */
export declare function validateRegexPattern(pattern: string): string;
/**
 * Type for cron expression parts
 */
export type CronPart = {
    minute: string;
    hour: string;
    dayOfMonth: string;
    month: string;
    dayOfWeek: string;
};
/**
 * Parses a cron expression into its parts
 */
export declare function parseCronExpression(expression: string): CronPart;
/**
 * Creates a type-safe cron expression builder
 */
export declare function createCronExpression(parts: CronPart): string;
/**
 * Counts the number of capture groups in a regex pattern.
 * This includes both numbered groups (.*) and named parameters (:name).
 */
export declare function countCaptureGroups(pattern: string): number;
/**
 * Validates that a destination string doesn't reference capture groups
 * that don't exist in the source pattern.
 */
export declare function validateCaptureGroupReferences(source: string, destination: string): void;
/**
 * Validates that a value is a static string literal (not computed, not a function call, etc.)
 * Used for static fields that must be extracted before build execution.
 */
export declare function validateStaticString(value: any, fieldName: string): void;
/**
 * Validates that a value is a static boolean literal
 */
export declare function validateStaticBoolean(value: any, fieldName: string): void;
/**
 * Validates that a value is a static object with primitive values
 * Used for git.deploymentEnabled and similar objects that need to be static
 */
export declare function validateStaticObject(value: any, fieldName: string): void;
/**
 * Validates that a value is a static array of strings
 */
export declare function validateStaticStringArray(value: any, fieldName: string): void;
/**
 * Validates static fields in VercelConfig that must be extracted before build execution.
 * These fields include:
 * - buildCommand, devCommand, installCommand, framework, nodeVersion, outputDirectory
 * - github.enabled, github.autoAlias, github.autoJobCancelation
 * - git.deploymentEnabled
 * - relatedProjects
 */
export declare function validateStaticFields(config: Record<string, any>): void;