/**
 * @fileoverview Input resolver.
 *
 * Resolves input by priority: --input, --file, positional, stdin, interactive
 * prompt (human mode only). Agent and JSON modes never prompt. Byte-capable
 * tools receive bytes and a streaming byte source so large files stay bounded.
 */
import { type ExecutionMode, type ResolvedInput, type TextaviaToolDefinition } from '@textavia/core';
/** Request payload for the input resolver. */
export interface InputRequest {
    readonly globals: {
        readonly input?: string;
        readonly file?: string;
        readonly files?: string;
        readonly stdin?: boolean;
        readonly encoding?: string;
    };
    readonly positional?: string;
    readonly mode: ExecutionMode;
    readonly stdin: StdinSource;
    /** Max input bytes for agent/mcp contexts; undefined disables the limit. */
    readonly maxInputBytes?: number;
}
/** Injectable prompt function for interactive human mode. */
export type PromptFn = (question: string) => Promise<string>;
/** Descriptor for the process stdin used by the resolver. */
export interface StdinSource {
    readonly stream: NodeJS.ReadableStream;
    readonly isTty: boolean;
}
/**
 * Resolves a {@link ResolvedInput} according to the priority rules. Throws
 * {@link UsageError} when no input is available and prompting is disabled.
 */
export declare function resolveInput(request: InputRequest, tool: TextaviaToolDefinition, prompt?: PromptFn): Promise<ResolvedInput>;
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