/** One level of body indentation, matching the layout the generator emits. */
export declare const INDENT = "    ";
/** A declaration with a body, located in one file's source text. */
export interface LocatedPackage {
    qualifiedName: string;
    name: string;
    /**
     * False for a usage that merely CAN hold a package.
     *
     * A grouping package is declared inside a usage body — `part scrHome :
     * UIElement { package grpHeader { … } }` — so creating one addresses the
     * part, which is a container without being a package.
     */
    isPackage: boolean;
    /** Offset of the declaration's first character. */
    start: number;
    /** Offset just past the declaration's closing brace. */
    end: number;
    /** Offset just past the body's opening brace. */
    bodyStart: number;
    /** Offset of the body's closing brace. */
    bodyEnd: number;
}
/** Every package declared in one file's source, with its qualified name. */
export declare function locatePackages(source: string): Promise<LocatedPackage[]>;
/**
 * Every declaration in one file that can hold a package: the packages, and the
 * usages whose bodies may group with one.
 *
 * A usage is walked as well as recorded, because SysML puts a grouping package
 * inside a usage body and MEMO's own explorer offers to create one there. The
 * qualified name of such a package therefore runs through the usage that holds
 * it — `catalogPackage::scrHome::grpHeader` — which is what the SysML namespace
 * says it is, and what makes it addressable by name like any other package.
 */
export declare function locateContainers(source: string): Promise<LocatedPackage[]>;
/** Insert text as the last member of a package body, indented one level in. */
export declare function insertIntoBody(source: string, target: LocatedPackage, text: string): string;
/** Replace a range, re-indenting the replacement to the line it starts on. */
export declare function spliceIndented(source: string, start: number, end: number, replacement: string): string;
/** Remove a range together with the blank line it would otherwise leave behind. */
export declare function removeLine(source: string, start: number, end: number): string;
/** Strip the common leading whitespace from every line of a block. */
export declare function dedent(text: string): string;
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