/**
 * SurveyJS-compatible survey schema types.
 * These mirror the server-side interfaces so frontend and backend share one definition.
 */
export declare enum QuestionType {
    TEXT = "text",
    TEXTAREA = "textarea",
    NUMBER = "number",
    EMAIL = "email",
    PHONE = "phone",
    DATE = "date",
    TIME = "time",
    DATETIME = "datetime",
    SINGLE_CHOICE = "single_choice",
    MULTIPLE_CHOICE = "multiple_choice",
    DROPDOWN = "dropdown",
    RATING = "rating",
    SCALE = "scale",
    BOOLEAN = "boolean",
    FILE = "file",
    MATRIX = "matrix",
    RANKING = "ranking",
    SIGNATURE = "signature"
}
export interface QuestionValidation {
    required?: boolean;
    minLength?: number;
    maxLength?: number;
    min?: number;
    max?: number;
    pattern?: string;
    patternMessage?: string;
    minSelections?: number;
    maxSelections?: number;
    allowedFileTypes?: string[];
    maxFileSize?: number;
}
export interface ChoiceOption {
    id: string;
    label: string;
    value: string | number;
    order?: number;
    isOther?: boolean;
}
export interface MatrixItem {
    id: string;
    label: string;
    order?: number;
}
export interface ScaleConfig {
    min: number;
    max: number;
    step?: number;
    minLabel?: string;
    maxLabel?: string;
}
export interface Question {
    id: string;
    type: QuestionType | string;
    title: string;
    description?: string;
    placeholder?: string;
    validation?: QuestionValidation;
    choices?: ChoiceOption[];
    matrixRows?: MatrixItem[];
    matrixColumns?: MatrixItem[];
    scaleConfig?: ScaleConfig;
    defaultValue?: unknown;
}
export interface SurveyPage {
    id: string;
    title?: string;
    description?: string;
    questions: Question[];
}
export interface SurveySchemaSettings {
    showProgressBar?: boolean;
    showPageNumbers?: boolean;
    allowBackNavigation?: boolean;
    shuffleQuestions?: boolean;
    completionMessage?: string;
}
/** Complete survey schema stored by survey-engine and rendered by SurveyJS */
export interface SurveySchema {
    version: string;
    title?: string;
    description?: string;
    pages: SurveyPage[];
    settings?: SurveySchemaSettings;
}
export declare enum ComparisonOperator {
    EQUALS = "eq",
    NOT_EQUALS = "neq",
    GREATER_THAN = "gt",
    GREATER_THAN_OR_EQUALS = "gte",
    LESS_THAN = "lt",
    LESS_THAN_OR_EQUALS = "lte",
    CONTAINS = "contains",
    NOT_CONTAINS = "not_contains",
    STARTS_WITH = "starts_with",
    ENDS_WITH = "ends_with",
    IS_EMPTY = "is_empty",
    IS_NOT_EMPTY = "is_not_empty",
    IN = "in",
    NOT_IN = "not_in",
    MATCHES = "matches"
}
export declare enum LogicalOperator {
    AND = "and",
    OR = "or"
}
export interface Condition {
    questionId: string;
    operator: ComparisonOperator;
    value?: unknown;
}
export interface ConditionGroup {
    operator: LogicalOperator;
    conditions: (Condition | ConditionGroup)[];
}
export declare enum RuleType {
    VISIBILITY = "visibility",
    SKIP = "skip",
    REQUIRED = "required",
    VALIDATION = "validation",
    CALCULATED = "calculated",
    JUMP = "jump"
}
export interface RuleAction {
    type: RuleType;
    targetId: string;
    targetType: 'question' | 'page';
    value?: unknown;
    expression?: string;
}
export interface LogicRule {
    id: string;
    name?: string;
    enabled?: boolean;
    priority?: number;
    condition: Condition | ConditionGroup;
    action: RuleAction;
}
export interface LogicSchema {
    version: string;
    rules: LogicRule[];
    globalSettings?: {
        evaluateOnChange?: boolean;
        strictMode?: boolean;
    };
}
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