import { Declaration, Node, SourceFile, Symbol as Sym, Type, TypeChecker } from 'typescript';
/**
 * Generate a stable hash from a string
 *
 * @param str string to generate a hash from
 * @public
 */
export declare function generateHash(str: string): string;
/**
 * Entities that we can generate unique and stable IDs for
 */
export declare type IDableEntity = Sym | Node | Type | Declaration | SourceFile;
export declare type NewEntityGenerateIdResult = ['ok', string];
export declare type NewEntityWithRelatedGenerateIdResult = ['ok-related', string, IDableEntity[]];
export declare type GenerateIdResult = NewEntityGenerateIdResult | NewEntityWithRelatedGenerateIdResult;
/**
 * A utility for generating unique but stable ids for TypeScript compiler API entities
 */
export interface IdGenerator {
    /**
     * Generate an id for an entity
     * @param thing Entity to generate an Id for
     */
    (thing: IDableEntity): GenerateIdResult;
}
/**
 * Create an ID generator, using information from the provided type-checker
 *
 * @param checker type-checker
 */
export declare function createIdGenerator(checker: TypeChecker): IdGenerator;
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