import type { DataType, Models, Relationship } from '../schema/types/index.js';
/**
 * Gets the attribute from a schema based on a path
 */
export declare function getAttributeFromSchema(attribute: Iterable<string>, schema: Models, collectionName: string): SchemaTraversalData;
/**
 * Validates an identifier path based on a validator function. The validator function is called for each part of the path.
 */
export declare function validateIdentifier(identifier: string, schema: Models, collectionName: string, validator: (dataType: DataType | Relationship | undefined, i: number, path: string[]) => {
    valid: boolean;
    reason?: string;
}): {
    valid: boolean;
    path?: string;
    reason?: string;
};
/**
 * Creates an iterator that traverses a path in a schema
 */
export declare function createSchemaValuesIterator(path: Iterable<string>, schema: Models, collectionName: string): {
    next(): {
        done: boolean;
        value: SchemaTraversalData;
    };
    [Symbol.iterator](): /*elided*/ any;
};
/**
 * Creates an iterator that traverses a path in a schema and returns the path and value
 */
export declare function createSchemaEntriesIterator(path: Iterable<string>, schema: Models, collectionName: string): {
    next(): {
        done: boolean;
        value: readonly [string[], SchemaTraversalData];
    };
    [Symbol.iterator](): /*elided*/ any;
};
export type SchemaTraversalData = DataType | Relationship | undefined;
type Traverser<T> = {
    get(attribute: string): Traverser<T>;
    current: T;
};
/**
 * Creates an object that can easily traverse a schema via a path / relationships
 */
export declare function createSchemaTraverser(schema: Models, collectionName: string): Traverser<SchemaTraversalData>;
export declare function isTraversalRelationship(dataType: SchemaTraversalData): dataType is Relationship;
export {};