import { FirestoreCrudField, FirestoreCrudSchema } from '.';
export declare class FirestoreCrudMetadata {
    private static getMetadataKey;
    static addSchema(target: Function, schema: FirestoreCrudSchema): void;
    static addField(target: Object, propertyKey: string, field: FirestoreCrudField): void;
    static findSchema(target: Function): FirestoreCrudSchema;
    static findFields(target: Function): FirestoreCrudField[];
}