/**
 * State Formatting Utilities
 * Standardized state display formatting across CLI commands
 * @requirement CLI-MESSAGES-REVIEW-003 - State formatting consistency
 */
/**
 * Valid workflow states
 */
export type WorkflowState = 'UNDERSTANDING' | 'DESIGNING' | 'IMPLEMENTING' | 'TESTING' | 'REVIEWING' | 'READY_TO_COMMIT';
/**
 * Normalize state string to uppercase and trim whitespace
 */
export declare function normalizeState(state: string): string;
/**
 * Format state with consistent styling
 */
export declare function formatState(state: string): string;
/**
 * Validate if state is a valid workflow state
 */
export declare function isValidState(state: string): boolean;
/**
 * Get state display with validation indicator
 */
export declare function displayState(state: string, isValid?: boolean): string;