import { Kind } from 'graphql';
import type { Change } from '@graphql-inspector/core';
import type { ChangesByType, ErrorHandler } from './types.js';
/**
 * The strictest of the standard error handlers. This checks if the error is a "No-op",
 * meaning if the change wouldn't impact the schema at all, and ignores the error
 * only in this one case. Otherwise, the error is raised.
 */
export declare const strictErrorHandler: ErrorHandler;
/**
 * A convenient, semi-strict error handler. This ignores "no-op" errors -- if
 * the change wouldn't impact the patched schema at all. And it ignores
 * value mismatches, which are when the change notices that the value captured in
 * the change doesn't match the value in the patched schema.
 *
 * For example, if the change indicates the default value WAS "foo" before being
 * changed, but the patch is applied to a schema where the default value is "bar".
 * This is useful to avoid overwriting changes unknowingly that may have occurred
 * from other sources.
 */
export declare const defaultErrorHandler: ErrorHandler;
/**
 * The least strict error handler. This will only log errors and will never
 * raise an error. This is potentially useful for getting a patched schema
 * rendered, and then handling the conflict/error in a separate step. E.g.
 * if creating a merge conflict resolution UI.
 */
export declare const looseErrorHandler: ErrorHandler;
/**
 * When the change does not actually modify the resulting schema, then it is
 * considered a "no-op". This error can safely be ignored.
 */
export declare class NoopError extends Error {
    readonly noop = true;
    constructor(message: string);
}
export declare class ValueMismatchError extends Error {
    readonly mismatch = true;
    constructor(kind: Kind, expected: string | undefined | null, actual: string | undefined | null);
}
/**
 * If the requested change would not modify the schema because that change is effectively
 * already applied.
 *
 * If the added coordinate exists but the kind does not match what's expected, then use
 * ChangedCoordinateKindMismatchError instead.
 */
export declare class AddedCoordinateAlreadyExistsError extends NoopError {
    readonly path: string;
    readonly changeType: keyof ChangesByType;
    constructor(path: string, changeType: keyof ChangesByType);
}
export declare class AddedAttributeCoordinateNotFoundError extends Error {
    readonly path: string;
    readonly changeType: keyof ChangesByType;
    /**
     * The value of what is being changed at the path. E.g. if the description is being changed, then this should
     * be the description string.
     */
    readonly changeValue: string | number | null;
    constructor(path: string, changeType: keyof ChangesByType, 
    /**
     * The value of what is being changed at the path. E.g. if the description is being changed, then this should
     * be the description string.
     */
    changeValue: string | number | null);
}
/**
 * If trying to manipulate a node at a path, but that path no longer exists. E.g. change a description of
 * a type, but that type was previously deleted.
 */
export declare class ChangedAncestorCoordinateNotFoundError extends Error {
    readonly path: string;
    readonly changeType: keyof ChangesByType;
    /**
     * The value of what is being changed at the path. E.g. if the description is being changed, then this should
     * be the description string.
     */
    readonly changeValue: string | number | boolean | null;
    constructor(path: string, changeType: keyof ChangesByType, 
    /**
     * The value of what is being changed at the path. E.g. if the description is being changed, then this should
     * be the description string.
     */
    changeValue: string | number | boolean | null);
}
/**
 * If trying to remove a node but that node no longer exists. E.g. remove a directive from
 * a type, but that type does not exist.
 */
export declare class DeletedAncestorCoordinateNotFoundError extends NoopError {
    readonly path: string;
    readonly changeType: keyof ChangesByType;
    /**
     * The value of what is being changed at the path. E.g. if the description is being changed, then this should
     * be the description string.
     */
    readonly expectedValue: string | number | boolean | null;
    constructor(path: string, changeType: keyof ChangesByType, 
    /**
     * The value of what is being changed at the path. E.g. if the description is being changed, then this should
     * be the description string.
     */
    expectedValue: string | number | boolean | null);
}
/**
 * If adding an attribute to a node, but that attribute already exists.
 * E.g. adding an interface but that interface is already applied to the type.
 */
export declare class AddedAttributeAlreadyExistsError extends NoopError {
    readonly path: string;
    readonly changeType: string;
    /** The property's path on the node. E.g. defaultValue */
    readonly attribute: string;
    readonly expectedValue?: string | undefined;
    constructor(path: string, changeType: string, 
    /** The property's path on the node. E.g. defaultValue */
    attribute: string, expectedValue?: string | undefined);
}
/**
 * If deleting an attribute from a node, but that attribute does not exist.
 * E.g. deleting an interface but that interface is not applied to the type.
 */
export declare class DeletedAttributeNotFoundError extends NoopError {
    readonly path: string;
    readonly changeType: string;
    /** The property's path on the node. E.g. defaultValue */
    readonly attribute: string;
    readonly expectedValue?: string | undefined;
    constructor(path: string, changeType: string, 
    /** The property's path on the node. E.g. defaultValue */
    attribute: string, expectedValue?: string | undefined);
}
export declare class ChangedCoordinateNotFoundError extends Error {
    constructor(expectedKind: Kind, expectedNameOrValue: string | undefined);
}
export declare class DeletedCoordinateNotFound extends NoopError {
    readonly path: string;
    readonly changeType: string;
    constructor(path: string, changeType: string);
}
export declare class ChangedCoordinateKindMismatchError extends Error {
    readonly expectedKind: Kind;
    readonly receivedKind: Kind;
    constructor(expectedKind: Kind, receivedKind: Kind);
}
/**
 * This should not happen unless there's an issue with the diff creation.
 */
export declare class ChangePathMissingError extends Error {
    readonly change: Change<any>;
    constructor(change: Change<any>);
}