import { type DeterministicCommandExpansion } from '../../../core/runtime/command-expansion.js';
export interface PreviewableCommand {
    name: string;
    description?: string;
    source?: string;
    template?: string;
    /** Present only when an extension command's submission handler sends a
     * deterministic expanded user prompt. Immediate UI/dynamic commands omit it. */
    expansion?: DeterministicCommandExpansion;
}
export interface LoadedCommandPreview {
    name: string;
    invocation: string;
    content: string;
}
/** Parse an untrusted broker command inventory. Bad entries are discarded so a
 * malformed extension registration cannot take down autocomplete or preview. */
export declare function parsePreviewableCommands(detail: string): PreviewableCommand[];
/** Parse prompt-template arguments exactly as pi does: whitespace separates
 * arguments except inside matching single or double quotes. */
export declare function parseCommandArgs(argsString: string): string[];
/** Expand pi's prompt-template placeholders without recursively expanding text
 * supplied by the user. Kept byte-compatible with pi's prompt expansion. */
export declare function substitutePromptArgs(content: string, args: string[]): string;
/** Resolve the leading slash token in the live editor. Viewer builtins run
 * first, followed by extension commands and then pi prompt templates. Extension
 * matching deliberately uses only ASCII space: pi's `_tryExecuteExtensionCommand`
 * treats tabs and newlines as part of the command name, while template matching
 * accepts all whitespace. */
export declare function loadedCommandPreview(editorText: string, commands: ReadonlyArray<PreviewableCommand>): LoadedCommandPreview | undefined;