declare type ValidationResult = {
    valid: boolean;
    value: any;
};
export declare const coerceType: (param: any, type: 'string' | 'number' | 'boolean') => string | number | boolean;
declare type ValidConstraintsType = {
    date: ValidationConstraints[];
    string: ValidationConstraints[];
    number: ValidationConstraints[];
    array: ValidationConstraints[];
    file: ValidationConstraints[];
    email: ValidationConstraints[];
    datetime: ValidationConstraints[];
};
export declare const ValidConstraints: ValidConstraintsType;
export declare const validationConstraintsList: readonly ["type", "format", "minimum", "maximum", "exclusiveMinimum", "exclusiveMaximum", "minItems", "maxItems", "uniqueItems", "minLength", "maxLength", "pattern", "required", "enum", "accept", "maxFileSize"];
export declare type ValidationConstraints = typeof validationConstraintsList[number];
declare type ConstraintsObject = {
    [key in ValidationConstraints]: (constraint: any, inputVal: any) => ValidationResult;
};
export declare const Constraints: ConstraintsObject;
export {};