import { Location } from 'graphql';
import { ProjectSource } from '../../project/source';
import { MessageLocation } from '../validation/location';
import { Pair } from 'yaml';
export type Change = TextChange | AppendChange | YamlAddInMapChange;
/**
 * A set of changes to one or multiple project sources
 */
export declare class ChangeSet {
    readonly changes: ReadonlyArray<Change>;
    readonly textChanges: ReadonlyArray<TextChange>;
    readonly appendChanges: ReadonlyArray<AppendChange>;
    readonly yamlAddInMapChanges: ReadonlyArray<YamlAddInMapChange>;
    constructor(changes: ReadonlyArray<Change>);
    static EMPTY: ChangeSet;
}
/**
 * A change that either deletes a span in an existing source or replaces that span with new text
 */
export declare class TextChange {
    /**
     * The new text to insert at the location (empty string if the text should just be deleted)
     */
    readonly newText: string;
    readonly source: ProjectSource;
    /**
     * The range of text to delete
     */
    readonly location: MessageLocation;
    constructor(
    /**
     * The range of text to delete
     */
    location: MessageLocation | Location, 
    /**
     * The new text to insert at the location (empty string if the text should just be deleted)
     */
    newText: string);
}
/**
 * A change that creates a new source with a given name or appends text to an existing source
 *
 * If there are multiple AppendToNewSource instances with the same sourceName in a changeset, the content of all of them will be appended to the source, separated by two newlines.
 */
export declare class AppendChange {
    /**
     * The name of the new source
     */
    readonly sourceName: string;
    /**
     * The text for the new source
     */
    readonly text: string;
    constructor(
    /**
     * The name of the new source
     */
    sourceName: string, 
    /**
     * The text for the new source
     */
    text: string);
}
/**
 * A change that adds the given `value` in source `sourceName` under path `path`.
 *
 * **Note**:
 * - `path` must point to a YAMLMap, otherwise nothing is added
 * - when the `key` of `value` does already exist in the target map nothing will be added
 */
export declare class YamlAddInMapChange {
    readonly args: {
        readonly sourceName: string;
        readonly path: unknown[];
        readonly value: Pair;
    };
    constructor(args: {
        readonly sourceName: string;
        readonly path: unknown[];
        readonly value: Pair;
    });
}