import type { SearchAttributeSchema, SearchAttributeValue, StartOptions, StartOrSignalOptions } from '../../core/types.ts';
/**
 * The raw, transport-supplied start-option fields shared by `weft.workflows.start`
 * and `weft.workflows.startorsignal`. Each is `unknown` because validation happens
 * in {@link buildSharedStartWorkflowOptions}, not at the schema boundary, so both
 * surfaces hit one cross-transport error path.
 */
export type SharedStartWorkflowOptionInput = {
    id?: unknown;
    executionTimeout?: unknown;
    startAt?: unknown;
    startAfter?: unknown;
    tags?: unknown;
    idempotencyKey?: unknown;
    searchAttributes?: unknown;
};
export type StartOrSignalWorkflowOptionInput = SharedStartWorkflowOptionInput & {
    onTerminalConflict?: unknown;
};
/**
 * Coerce the shared start-option fields into a validated {@link StartOptions}.
 * Both start operations call this so they cannot drift in how they validate `id`,
 * `executionTimeout`, `startAt`/`startAfter`, `tags`, `idempotencyKey`, and
 * `searchAttributes` (a new field added here covers both surfaces at once). Throws
 * {@link StartWorkflowValidationError} on any malformed field.
 *
 * `onTerminalConflict` is intentionally NOT part of this shared path:
 * `weft.workflows.start` remains non-restart-capable over transport. The
 * start-or-signal operation adds its narrower restart policy through
 * {@link buildStartOrSignalWorkflowOptions}.
 */
export declare function buildSharedStartWorkflowOptions(input: SharedStartWorkflowOptionInput, searchAttributeSchema: SearchAttributeSchema | undefined): StartOptions;
export declare function buildStartOrSignalWorkflowOptions(input: StartOrSignalWorkflowOptionInput, searchAttributeSchema: SearchAttributeSchema | undefined): StartOrSignalOptions;
/**
 * Coerce a transport-supplied `searchAttributes` object into validated
 * {@link SearchAttributeValue}s. Shared by `weft.workflows.start` and
 * `weft.workflows.startorsignal` so both apply the same null-prototype guard,
 * date-time normalization, schema-presence check, and type validation —
 * preventing the two start surfaces from drifting in how they accept attributes.
 */
export declare function coerceStartWorkflowSearchAttributes(value: unknown, fieldName: string, schema: SearchAttributeSchema | undefined): Record<string, SearchAttributeValue>;