import { Constructable } from './constructable.type';
import CtorEnsureArgError from './ctor-ensure-arg-error.interface';
import CtorEnsureConfig from './ctor-ensure-config.interface';
import { ValidationControl } from './validation-control.interface';
export declare const META_KEY_VALIDATION = "CTOR_ENSURE:VALIDATION";
export declare const META_KEY_DISPLAYNAME = "CTOR_ENSURE:DISPLAYNAME";
export declare const META_KEY_VALIDATION_UNIQUE: (displayname: string) => string;
export declare const classRegistry: {
    [key: string]: {
        clazz: Constructable;
        proto: any;
        config: CtorEnsureConfig;
    };
};
/**
 * Get all active controls from a class' metadata, taking block-lists into account
 * @param clazz Class to search in
 * @param displayname Displayname of the class to construct metadata key
 * @param blockedFields List of currently blocked fields
 * @returns List of validation-controls that are currently active
 */
export declare const getActiveControls: (clazz: Constructable, displayname: string, blockedFields: string[]) => ValidationControl[];
/**
 * Validate a registered class' constructor arguments
 * @param displayname Unique name of known class
 * @param ctorArgs Constructor arguments
 * @param templateLang Language to use for rendering ensure templates
 * @returns List of occurred errors
 */
export declare const validateClassCtor: (displayname: string, ctorArgs: any[], templateLang?: string) => CtorEnsureArgError[];
/**
 * Decorator signalling that the following class' constructor will be validated
 * using {@link ValidatedArg} decorators on members in constructor.
 * All validation errors will be thrown using a single {@link CtorEnsureException}
 * @param displayname Displayname of class
 * @param multipleErrorsPerField Whether or not to display multiple errors per field, default false
 */
export declare const CtorEnsure: (config: CtorEnsureConfig) => (Clazz: Constructable) => any;
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